Finding the Fourth Proportional to 659,639.48, 987,964.14 and 516,593.12
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Solution
The fourth proportional to 659,639.48, 987,964.14 and 516,593.12 is: 773,718.82
Step by Step Solution
- Step 1: Write the proportion equation
659,639.48 : 987,964.14 = 516,593.12 : x - Step 2: Convert to fraction form
659,639.48/987,964.14 = 516,593.12/x - Step 3: Cross multiply
659,639.48x = 987,964.14 × 516,593.12 - Step 4: Simplify right side
659,639.48x = 510,375,477,530.72 - Step 5: Solve for x
x = 510,375,477,530.72/659,639.48 - Step 6: Final answer
x = 773,718.82
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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.