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Finding the Fourth Proportional to 716.55, 1,073.49 and 601.74

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Solution

The fourth proportional to 716.55, 1,073.49 and 601.74 is: 901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.55 : 1,073.49 = 601.74 : x
  2. Step 2: Convert to fraction form
    716.55/1,073.49 = 601.74/x
  3. Step 3: Cross multiply
    716.55x = 1,073.49 × 601.74
  4. Step 4: Simplify right side
    716.55x = 645,961.87
  5. Step 5: Solve for x
    x = 645,961.87/716.55
  6. Step 6: Final answer
    x = 901.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.