Finding the Fourth Proportional to 726,175.20, 1,088,124.32 and 459,372.12
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Solution
The fourth proportional to 726,175.20, 1,088,124.32 and 459,372.12 is: 688,337.99
Step by Step Solution
- Step 1: Write the proportion equation
726,175.20 : 1,088,124.32 = 459,372.12 : x - Step 2: Convert to fraction form
726,175.20/1,088,124.32 = 459,372.12/x - Step 3: Cross multiply
726,175.20x = 1,088,124.32 × 459,372.12 - Step 4: Simplify right side
726,175.20x = 499,853,975,701.96 - Step 5: Solve for x
x = 499,853,975,701.96/726,175.20 - Step 6: Final answer
x = 688,337.99
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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.