Home / 725,016.38-1,087,721.52-219,594.46

Finding the Fourth Proportional to 725,016.38, 1,087,721.52 and 219,594.46

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Solution

The fourth proportional to 725,016.38, 1,087,721.52 and 219,594.46 is: 329,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,016.38 : 1,087,721.52 = 219,594.46 : x
  2. Step 2: Convert to fraction form
    725,016.38/1,087,721.52 = 219,594.46/x
  3. Step 3: Cross multiply
    725,016.38x = 1,087,721.52 × 219,594.46
  4. Step 4: Simplify right side
    725,016.38x = 238,857,619,814.78
  5. Step 5: Solve for x
    x = 238,857,619,814.78/725,016.38
  6. Step 6: Final answer
    x = 329,451.34

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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.