Ruzhytskyi was born in the village of Malyshivka in Koziatyn Raion of Vinnytsia Oblast in the Soviet Union on January 4, 1938.

He then served as the Deputy Head of a Kolkhoz in Nova Odesa Raion of Mykolaiv Oblast from 1962 to 1964.

From November 4, 1982 to February 6, 1988, he worked as the Second Secretary of Khmelnytskyi Regional Committee of the Communist Party of the Soviet Union.

From September 1988 to August 1991, Ruzhytskyi served as the First Secretary of the Cherkasy Regional Committee of the Communist Party of the Soviet Union.

From April 1990 to March 1991, he was the Chairman of the Cherkasy Regional Council of People's Deputies.