Home / 728,304.08-1,004,489.88-473,736.56

Finding the Fourth Proportional to 728,304.08, 1,004,489.88 and 473,736.56

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Solution

The fourth proportional to 728,304.08, 1,004,489.88 and 473,736.56 is: 653,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,304.08 : 1,004,489.88 = 473,736.56 : x
  2. Step 2: Convert to fraction form
    728,304.08/1,004,489.88 = 473,736.56/x
  3. Step 3: Cross multiply
    728,304.08x = 1,004,489.88 × 473,736.56
  4. Step 4: Simplify right side
    728,304.08x = 475,863,580,306.01
  5. Step 5: Solve for x
    x = 475,863,580,306.01/728,304.08
  6. Step 6: Final answer
    x = 653,385.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.