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Finding the Fourth Proportional to 502,404.20, 693,309.96 and 276,044.84

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Solution

The fourth proportional to 502,404.20, 693,309.96 and 276,044.84 is: 380,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,404.20 : 693,309.96 = 276,044.84 : x
  2. Step 2: Convert to fraction form
    502,404.20/693,309.96 = 276,044.84/x
  3. Step 3: Cross multiply
    502,404.20x = 693,309.96 × 276,044.84
  4. Step 4: Simplify right side
    502,404.20x = 191,384,636,978.61
  5. Step 5: Solve for x
    x = 191,384,636,978.61/502,404.20
  6. Step 6: Final answer
    x = 380,937.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.