Home / 688,414.92-1,032,221.44-267,198.72

Finding the Fourth Proportional to 688,414.92, 1,032,221.44 and 267,198.72

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Solution

The fourth proportional to 688,414.92, 1,032,221.44 and 267,198.72 is: 400,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,414.92 : 1,032,221.44 = 267,198.72 : x
  2. Step 2: Convert to fraction form
    688,414.92/1,032,221.44 = 267,198.72/x
  3. Step 3: Cross multiply
    688,414.92x = 1,032,221.44 × 267,198.72
  4. Step 4: Simplify right side
    688,414.92x = 275,808,247,524.56
  5. Step 5: Solve for x
    x = 275,808,247,524.56/688,414.92
  6. Step 6: Final answer
    x = 400,642.46

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Double scale
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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.