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Finding the Fourth Proportional to 725.46, 999.45 and 593.70

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Solution

The fourth proportional to 725.46, 999.45 and 593.70 is: 817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.46 : 999.45 = 593.70 : x
  2. Step 2: Convert to fraction form
    725.46/999.45 = 593.70/x
  3. Step 3: Cross multiply
    725.46x = 999.45 × 593.70
  4. Step 4: Simplify right side
    725.46x = 593,373.47
  5. Step 5: Solve for x
    x = 593,373.47/725.46
  6. Step 6: Final answer
    x = 817.93

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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.