Home / 748,874.30-1,123,311.45-465,439.10

Finding the Fourth Proportional to 748,874.30, 1,123,311.45 and 465,439.10

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Solution

The fourth proportional to 748,874.30, 1,123,311.45 and 465,439.10 is: 698,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,874.30 : 1,123,311.45 = 465,439.10 : x
  2. Step 2: Convert to fraction form
    748,874.30/1,123,311.45 = 465,439.10/x
  3. Step 3: Cross multiply
    748,874.30x = 1,123,311.45 × 465,439.10
  4. Step 4: Simplify right side
    748,874.30x = 522,833,070,307.70
  5. Step 5: Solve for x
    x = 522,833,070,307.70/748,874.30
  6. Step 6: Final answer
    x = 698,158.65

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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.