Home / 725,135.52-1,087,590.96-370,411.68

Finding the Fourth Proportional to 725,135.52, 1,087,590.96 and 370,411.68

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Solution

The fourth proportional to 725,135.52, 1,087,590.96 and 370,411.68 is: 555,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,135.52 : 1,087,590.96 = 370,411.68 : x
  2. Step 2: Convert to fraction form
    725,135.52/1,087,590.96 = 370,411.68/x
  3. Step 3: Cross multiply
    725,135.52x = 1,087,590.96 × 370,411.68
  4. Step 4: Simplify right side
    725,135.52x = 402,856,394,646.41
  5. Step 5: Solve for x
    x = 402,856,394,646.41/725,135.52
  6. Step 6: Final answer
    x = 555,560.15

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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.