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Finding the Fourth Proportional to 653,542.56, 979,616.88 and 372,454.56

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Solution

The fourth proportional to 653,542.56, 979,616.88 and 372,454.56 is: 558,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,542.56 : 979,616.88 = 372,454.56 : x
  2. Step 2: Convert to fraction form
    653,542.56/979,616.88 = 372,454.56/x
  3. Step 3: Cross multiply
    653,542.56x = 979,616.88 × 372,454.56
  4. Step 4: Simplify right side
    653,542.56x = 364,862,774,008.97
  5. Step 5: Solve for x
    x = 364,862,774,008.97/653,542.56
  6. Step 6: Final answer
    x = 558,284.64

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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.