Home / 681,470.10-1,022,205.15-522,037.80

Finding the Fourth Proportional to 681,470.10, 1,022,205.15 and 522,037.80

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Solution

The fourth proportional to 681,470.10, 1,022,205.15 and 522,037.80 is: 783,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,470.10 : 1,022,205.15 = 522,037.80 : x
  2. Step 2: Convert to fraction form
    681,470.10/1,022,205.15 = 522,037.80/x
  3. Step 3: Cross multiply
    681,470.10x = 1,022,205.15 × 522,037.80
  4. Step 4: Simplify right side
    681,470.10x = 533,629,727,654.67
  5. Step 5: Solve for x
    x = 533,629,727,654.67/681,470.10
  6. Step 6: Final answer
    x = 783,056.70

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Similar ratio
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1.5x scale

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.