Home / 755,246.10-1,132,869.15-256,610.10

Finding the Fourth Proportional to 755,246.10, 1,132,869.15 and 256,610.10

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Solution

The fourth proportional to 755,246.10, 1,132,869.15 and 256,610.10 is: 384,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,246.10 : 1,132,869.15 = 256,610.10 : x
  2. Step 2: Convert to fraction form
    755,246.10/1,132,869.15 = 256,610.10/x
  3. Step 3: Cross multiply
    755,246.10x = 1,132,869.15 × 256,610.10
  4. Step 4: Simplify right side
    755,246.10x = 290,705,665,868.42
  5. Step 5: Solve for x
    x = 290,705,665,868.42/755,246.10
  6. Step 6: Final answer
    x = 384,915.15

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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.