Home / 1,327,233.40-1,990,850.10-329,961.40

Finding the Fourth Proportional to 1,327,233.40, 1,990,850.10 and 329,961.40

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Solution

The fourth proportional to 1,327,233.40, 1,990,850.10 and 329,961.40 is: 494,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,233.40 : 1,990,850.10 = 329,961.40 : x
  2. Step 2: Convert to fraction form
    1,327,233.40/1,990,850.10 = 329,961.40/x
  3. Step 3: Cross multiply
    1,327,233.40x = 1,990,850.10 × 329,961.40
  4. Step 4: Simplify right side
    1,327,233.40x = 656,903,686,186.14
  5. Step 5: Solve for x
    x = 656,903,686,186.14/1,327,233.40
  6. Step 6: Final answer
    x = 494,942.10

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Double scale
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Similar ratio
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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.