Home / 749,452.80-1,123,851.15-300,024.30

Finding the Fourth Proportional to 749,452.80, 1,123,851.15 and 300,024.30

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Solution

The fourth proportional to 749,452.80, 1,123,851.15 and 300,024.30 is: 449,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,452.80 : 1,123,851.15 = 300,024.30 : x
  2. Step 2: Convert to fraction form
    749,452.80/1,123,851.15 = 300,024.30/x
  3. Step 3: Cross multiply
    749,452.80x = 1,123,851.15 × 300,024.30
  4. Step 4: Simplify right side
    749,452.80x = 337,182,654,582.95
  5. Step 5: Solve for x
    x = 337,182,654,582.95/749,452.80
  6. Step 6: Final answer
    x = 449,905.12

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Half scale
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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.