Home / 758,342.62-1,137,132.88-252,726.45

Finding the Fourth Proportional to 758,342.62, 1,137,132.88 and 252,726.45

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Solution

The fourth proportional to 758,342.62, 1,137,132.88 and 252,726.45 is: 378,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,342.62 : 1,137,132.88 = 252,726.45 : x
  2. Step 2: Convert to fraction form
    758,342.62/1,137,132.88 = 252,726.45/x
  3. Step 3: Cross multiply
    758,342.62x = 1,137,132.88 × 252,726.45
  4. Step 4: Simplify right side
    758,342.62x = 287,383,551,044.61
  5. Step 5: Solve for x
    x = 287,383,551,044.61/758,342.62
  6. Step 6: Final answer
    x = 378,962.68

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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.