Home / 749,254.90-1,123,882.35-216,793.30

Finding the Fourth Proportional to 749,254.90, 1,123,882.35 and 216,793.30

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Solution

The fourth proportional to 749,254.90, 1,123,882.35 and 216,793.30 is: 325,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,254.90 : 1,123,882.35 = 216,793.30 : x
  2. Step 2: Convert to fraction form
    749,254.90/1,123,882.35 = 216,793.30/x
  3. Step 3: Cross multiply
    749,254.90x = 1,123,882.35 × 216,793.30
  4. Step 4: Simplify right side
    749,254.90x = 243,650,163,468.26
  5. Step 5: Solve for x
    x = 243,650,163,468.26/749,254.90
  6. Step 6: Final answer
    x = 325,189.95

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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.