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Finding the Fourth Proportional to 652,655.28, 978,982.92 and 231,947.76

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Solution

The fourth proportional to 652,655.28, 978,982.92 and 231,947.76 is: 347,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,655.28 : 978,982.92 = 231,947.76 : x
  2. Step 2: Convert to fraction form
    652,655.28/978,982.92 = 231,947.76/x
  3. Step 3: Cross multiply
    652,655.28x = 978,982.92 × 231,947.76
  4. Step 4: Simplify right side
    652,655.28x = 227,072,895,372.26
  5. Step 5: Solve for x
    x = 227,072,895,372.26/652,655.28
  6. Step 6: Final answer
    x = 347,921.64

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Similar ratio
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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.