Home / 684,759.25-1,027,497.10-280,251.73

Finding the Fourth Proportional to 684,759.25, 1,027,497.10 and 280,251.73

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Solution

The fourth proportional to 684,759.25, 1,027,497.10 and 280,251.73 is: 420,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,759.25 : 1,027,497.10 = 280,251.73 : x
  2. Step 2: Convert to fraction form
    684,759.25/1,027,497.10 = 280,251.73/x
  3. Step 3: Cross multiply
    684,759.25x = 1,027,497.10 × 280,251.73
  4. Step 4: Simplify right side
    684,759.25x = 287,957,834,707.50
  5. Step 5: Solve for x
    x = 287,957,834,707.50/684,759.25
  6. Step 6: Final answer
    x = 420,524.20

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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.