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Finding the Fourth Proportional to 502,946.29, 694,052.04 and 276,591.79

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Solution

The fourth proportional to 502,946.29, 694,052.04 and 276,591.79 is: 381,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,946.29 : 694,052.04 = 276,591.79 : x
  2. Step 2: Convert to fraction form
    502,946.29/694,052.04 = 276,591.79/x
  3. Step 3: Cross multiply
    502,946.29x = 694,052.04 × 276,591.79
  4. Step 4: Simplify right side
    502,946.29x = 191,969,096,096.75
  5. Step 5: Solve for x
    x = 191,969,096,096.75/502,946.29
  6. Step 6: Final answer
    x = 381,689.06

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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.