Finding the Fourth Proportional to 961,779.62, 1,327,269.84 and 553,954.70
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Solution
The fourth proportional to 961,779.62, 1,327,269.84 and 553,954.70 is: 764,465.53
Step by Step Solution
- Step 1: Write the proportion equation
961,779.62 : 1,327,269.84 = 553,954.70 : x - Step 2: Convert to fraction form
961,779.62/1,327,269.84 = 553,954.70/x - Step 3: Cross multiply
961,779.62x = 1,327,269.84 × 553,954.70 - Step 4: Simplify right side
961,779.62x = 735,247,366,036.25 - Step 5: Solve for x
x = 735,247,366,036.25/961,779.62 - Step 6: Final answer
x = 764,465.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.