Home / 681,701.46-1,022,441.44-321,871.61

Finding the Fourth Proportional to 681,701.46, 1,022,441.44 and 321,871.61

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Solution

The fourth proportional to 681,701.46, 1,022,441.44 and 321,871.61 is: 482,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,701.46 : 1,022,441.44 = 321,871.61 : x
  2. Step 2: Convert to fraction form
    681,701.46/1,022,441.44 = 321,871.61/x
  3. Step 3: Cross multiply
    681,701.46x = 1,022,441.44 × 321,871.61
  4. Step 4: Simplify right side
    681,701.46x = 329,094,874,174.94
  5. Step 5: Solve for x
    x = 329,094,874,174.94/681,701.46
  6. Step 6: Final answer
    x = 482,755.13

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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.