Home / 857,274.30-1,285,648.92-592,734.78

Finding the Fourth Proportional to 857,274.30, 1,285,648.92 and 592,734.78

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Solution

The fourth proportional to 857,274.30, 1,285,648.92 and 592,734.78 is: 888,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,274.30 : 1,285,648.92 = 592,734.78 : x
  2. Step 2: Convert to fraction form
    857,274.30/1,285,648.92 = 592,734.78/x
  3. Step 3: Cross multiply
    857,274.30x = 1,285,648.92 × 592,734.78
  4. Step 4: Simplify right side
    857,274.30x = 762,048,829,753.44
  5. Step 5: Solve for x
    x = 762,048,829,753.44/857,274.30
  6. Step 6: Final answer
    x = 888,920.65

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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.