Finding the Fourth Proportional to 961,275.68, 1,442,132.08 and 511,759.68
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Solution
The fourth proportional to 961,275.68, 1,442,132.08 and 511,759.68 is: 767,755.88
Step by Step Solution
- Step 1: Write the proportion equation
961,275.68 : 1,442,132.08 = 511,759.68 : x - Step 2: Convert to fraction form
961,275.68/1,442,132.08 = 511,759.68/x - Step 3: Cross multiply
961,275.68x = 1,442,132.08 × 511,759.68 - Step 4: Simplify right side
961,275.68x = 738,025,051,778.53 - Step 5: Solve for x
x = 738,025,051,778.53/961,275.68 - Step 6: Final answer
x = 767,755.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.