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Finding the Fourth Proportional to 754.29, 1,125.83 and 632.97

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Solution

The fourth proportional to 754.29, 1,125.83 and 632.97 is: 944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.29 : 1,125.83 = 632.97 : x
  2. Step 2: Convert to fraction form
    754.29/1,125.83 = 632.97/x
  3. Step 3: Cross multiply
    754.29x = 1,125.83 × 632.97
  4. Step 4: Simplify right side
    754.29x = 712,618.20
  5. Step 5: Solve for x
    x = 712,618.20/754.29
  6. Step 6: Final answer
    x = 944.75

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1.5x scale

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.