Home / 857,272.30-1,285,645.92-592,732.78

Finding the Fourth Proportional to 857,272.30, 1,285,645.92 and 592,732.78

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Solution

The fourth proportional to 857,272.30, 1,285,645.92 and 592,732.78 is: 888,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,272.30 : 1,285,645.92 = 592,732.78 : x
  2. Step 2: Convert to fraction form
    857,272.30/1,285,645.92 = 592,732.78/x
  3. Step 3: Cross multiply
    857,272.30x = 1,285,645.92 × 592,732.78
  4. Step 4: Simplify right side
    857,272.30x = 762,044,480,257.26
  5. Step 5: Solve for x
    x = 762,044,480,257.26/857,272.30
  6. Step 6: Final answer
    x = 888,917.65

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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.