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Finding the Fourth Proportional to 551,398.20, 827,097.30 and 502,409.40

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Solution

The fourth proportional to 551,398.20, 827,097.30 and 502,409.40 is: 753,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,398.20 : 827,097.30 = 502,409.40 : x
  2. Step 2: Convert to fraction form
    551,398.20/827,097.30 = 502,409.40/x
  3. Step 3: Cross multiply
    551,398.20x = 827,097.30 × 502,409.40
  4. Step 4: Simplify right side
    551,398.20x = 415,541,458,234.62
  5. Step 5: Solve for x
    x = 415,541,458,234.62/551,398.20
  6. Step 6: Final answer
    x = 753,614.10

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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.