Home / 851,435.64-1,275,708.17-513,766.74

Finding the Fourth Proportional to 851,435.64, 1,275,708.17 and 513,766.74

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Solution

The fourth proportional to 851,435.64, 1,275,708.17 and 513,766.74 is: 769,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,435.64 : 1,275,708.17 = 513,766.74 : x
  2. Step 2: Convert to fraction form
    851,435.64/1,275,708.17 = 513,766.74/x
  3. Step 3: Cross multiply
    851,435.64x = 1,275,708.17 × 513,766.74
  4. Step 4: Simplify right side
    851,435.64x = 655,416,425,123.43
  5. Step 5: Solve for x
    x = 655,416,425,123.43/851,435.64
  6. Step 6: Final answer
    x = 769,778.00

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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.