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Finding the Fourth Proportional to 725.46, 1,001.34 and 594.78

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Solution

The fourth proportional to 725.46, 1,001.34 and 594.78 is: 820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.46 : 1,001.34 = 594.78 : x
  2. Step 2: Convert to fraction form
    725.46/1,001.34 = 594.78/x
  3. Step 3: Cross multiply
    725.46x = 1,001.34 × 594.78
  4. Step 4: Simplify right side
    725.46x = 595,577.01
  5. Step 5: Solve for x
    x = 595,577.01/725.46
  6. Step 6: Final answer
    x = 820.96

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1.5x scale

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.