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Finding the Fourth Proportional to 576,935.10, 865,402.65 and 417,502.80

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Solution

The fourth proportional to 576,935.10, 865,402.65 and 417,502.80 is: 626,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,935.10 : 865,402.65 = 417,502.80 : x
  2. Step 2: Convert to fraction form
    576,935.10/865,402.65 = 417,502.80/x
  3. Step 3: Cross multiply
    576,935.10x = 865,402.65 × 417,502.80
  4. Step 4: Simplify right side
    576,935.10x = 361,308,029,502.42
  5. Step 5: Solve for x
    x = 361,308,029,502.42/576,935.10
  6. Step 6: Final answer
    x = 626,254.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.