Home / 681,701.38-1,022,441.32-321,871.54

Finding the Fourth Proportional to 681,701.38, 1,022,441.32 and 321,871.54

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Solution

The fourth proportional to 681,701.38, 1,022,441.32 and 321,871.54 is: 482,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,701.38 : 1,022,441.32 = 321,871.54 : x
  2. Step 2: Convert to fraction form
    681,701.38/1,022,441.32 = 321,871.54/x
  3. Step 3: Cross multiply
    681,701.38x = 1,022,441.32 × 321,871.54
  4. Step 4: Simplify right side
    681,701.38x = 329,094,759,671.93
  5. Step 5: Solve for x
    x = 329,094,759,671.93/681,701.38
  6. Step 6: Final answer
    x = 482,755.01

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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.