Home / 838,308.80-1,257,463.20-667,066.70

Finding the Fourth Proportional to 838,308.80, 1,257,463.20 and 667,066.70

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Solution

The fourth proportional to 838,308.80, 1,257,463.20 and 667,066.70 is: 1,000,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,308.80 : 1,257,463.20 = 667,066.70 : x
  2. Step 2: Convert to fraction form
    838,308.80/1,257,463.20 = 667,066.70/x
  3. Step 3: Cross multiply
    838,308.80x = 1,257,463.20 × 667,066.70
  4. Step 4: Simplify right side
    838,308.80x = 838,811,827,195.44
  5. Step 5: Solve for x
    x = 838,811,827,195.44/838,308.80
  6. Step 6: Final answer
    x = 1,000,600.05

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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.