Home / 766,205.88-1,149,308.82-267,558.84

Finding the Fourth Proportional to 766,205.88, 1,149,308.82 and 267,558.84

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Solution

The fourth proportional to 766,205.88, 1,149,308.82 and 267,558.84 is: 401,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,205.88 : 1,149,308.82 = 267,558.84 : x
  2. Step 2: Convert to fraction form
    766,205.88/1,149,308.82 = 267,558.84/x
  3. Step 3: Cross multiply
    766,205.88x = 1,149,308.82 × 267,558.84
  4. Step 4: Simplify right side
    766,205.88x = 307,507,734,680.97
  5. Step 5: Solve for x
    x = 307,507,734,680.97/766,205.88
  6. Step 6: Final answer
    x = 401,338.26

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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.