Finding the Fourth Proportional to 625,274.97, 863,176.97 and 418,898.71
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Solution
The fourth proportional to 625,274.97, 863,176.97 and 418,898.71 is: 578,279.54
Step by Step Solution
- Step 1: Write the proportion equation
625,274.97 : 863,176.97 = 418,898.71 : x - Step 2: Convert to fraction form
625,274.97/863,176.97 = 418,898.71/x - Step 3: Cross multiply
625,274.97x = 863,176.97 × 418,898.71 - Step 4: Simplify right side
625,274.97x = 361,583,719,234.71 - Step 5: Solve for x
x = 361,583,719,234.71/625,274.97 - Step 6: Final answer
x = 578,279.54
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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.