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Finding the Fourth Proportional to 710.92, 1,061.87 and 601.57

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Solution

The fourth proportional to 710.92, 1,061.87 and 601.57 is: 898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.92 : 1,061.87 = 601.57 : x
  2. Step 2: Convert to fraction form
    710.92/1,061.87 = 601.57/x
  3. Step 3: Cross multiply
    710.92x = 1,061.87 × 601.57
  4. Step 4: Simplify right side
    710.92x = 638,789.14
  5. Step 5: Solve for x
    x = 638,789.14/710.92
  6. Step 6: Final answer
    x = 898.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.