Home / 766,213.88-1,149,320.82-267,566.84

Finding the Fourth Proportional to 766,213.88, 1,149,320.82 and 267,566.84

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Solution

The fourth proportional to 766,213.88, 1,149,320.82 and 267,566.84 is: 401,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,213.88 : 1,149,320.82 = 267,566.84 : x
  2. Step 2: Convert to fraction form
    766,213.88/1,149,320.82 = 267,566.84/x
  3. Step 3: Cross multiply
    766,213.88x = 1,149,320.82 × 267,566.84
  4. Step 4: Simplify right side
    766,213.88x = 307,520,139,953.61
  5. Step 5: Solve for x
    x = 307,520,139,953.61/766,213.88
  6. Step 6: Final answer
    x = 401,350.26

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Double scale
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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.