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Finding the Fourth Proportional to 814.92, 1,125 and 593.79

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Solution

The fourth proportional to 814.92, 1,125 and 593.79 is: 819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    814.92 : 1,125 = 593.79 : x
  2. Step 2: Convert to fraction form
    814.92/1,125 = 593.79/x
  3. Step 3: Cross multiply
    814.92x = 1,125 × 593.79
  4. Step 4: Simplify right side
    814.92x = 668,013.75
  5. Step 5: Solve for x
    x = 668,013.75/814.92
  6. Step 6: Final answer
    x = 819.73

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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.