Home / 1,003,607.90-1,505,411.85-329,793.20

Finding the Fourth Proportional to 1,003,607.90, 1,505,411.85 and 329,793.20

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Solution

The fourth proportional to 1,003,607.90, 1,505,411.85 and 329,793.20 is: 494,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,607.90 : 1,505,411.85 = 329,793.20 : x
  2. Step 2: Convert to fraction form
    1,003,607.90/1,505,411.85 = 329,793.20/x
  3. Step 3: Cross multiply
    1,003,607.90x = 1,505,411.85 × 329,793.20
  4. Step 4: Simplify right side
    1,003,607.90x = 496,474,591,329.42
  5. Step 5: Solve for x
    x = 496,474,591,329.42/1,003,607.90
  6. Step 6: Final answer
    x = 494,689.80

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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.