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Finding the Fourth Proportional to 502,874.87, 693,967.33 and 276,520.37

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Solution

The fourth proportional to 502,874.87, 693,967.33 and 276,520.37 is: 381,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,874.87 : 693,967.33 = 276,520.37 : x
  2. Step 2: Convert to fraction form
    502,874.87/693,967.33 = 276,520.37/x
  3. Step 3: Cross multiply
    502,874.87x = 693,967.33 × 276,520.37
  4. Step 4: Simplify right side
    502,874.87x = 191,896,101,476.91
  5. Step 5: Solve for x
    x = 191,896,101,476.91/502,874.87
  6. Step 6: Final answer
    x = 381,598.11

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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.