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Finding the Fourth Proportional to 538,456.10, 807,684.15 and 531,457.70

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Solution

The fourth proportional to 538,456.10, 807,684.15 and 531,457.70 is: 797,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,456.10 : 807,684.15 = 531,457.70 : x
  2. Step 2: Convert to fraction form
    538,456.10/807,684.15 = 531,457.70/x
  3. Step 3: Cross multiply
    538,456.10x = 807,684.15 × 531,457.70
  4. Step 4: Simplify right side
    538,456.10x = 429,249,960,685.46
  5. Step 5: Solve for x
    x = 429,249,960,685.46/538,456.10
  6. Step 6: Final answer
    x = 797,186.55

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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.