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Finding the Fourth Proportional to 750.52, 1,124.13 and 732.16

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Solution

The fourth proportional to 750.52, 1,124.13 and 732.16 is: 1,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.52 : 1,124.13 = 732.16 : x
  2. Step 2: Convert to fraction form
    750.52/1,124.13 = 732.16/x
  3. Step 3: Cross multiply
    750.52x = 1,124.13 × 732.16
  4. Step 4: Simplify right side
    750.52x = 823,043.02
  5. Step 5: Solve for x
    x = 823,043.02/750.52
  6. Step 6: Final answer
    x = 1,096.63

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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.