Home / 688,266.23-1,032,399.35-267,640.52

Finding the Fourth Proportional to 688,266.23, 1,032,399.35 and 267,640.52

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Solution

The fourth proportional to 688,266.23, 1,032,399.35 and 267,640.52 is: 401,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,266.23 : 1,032,399.35 = 267,640.52 : x
  2. Step 2: Convert to fraction form
    688,266.23/1,032,399.35 = 267,640.52/x
  3. Step 3: Cross multiply
    688,266.23x = 1,032,399.35 × 267,640.52
  4. Step 4: Simplify right side
    688,266.23x = 276,311,897,543.46
  5. Step 5: Solve for x
    x = 276,311,897,543.46/688,266.23
  6. Step 6: Final answer
    x = 401,460.78

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Similar ratio
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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.