Home / 724,002.10-1,086,003.15-303,234.10

Finding the Fourth Proportional to 724,002.10, 1,086,003.15 and 303,234.10

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Solution

The fourth proportional to 724,002.10, 1,086,003.15 and 303,234.10 is: 454,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,002.10 : 1,086,003.15 = 303,234.10 : x
  2. Step 2: Convert to fraction form
    724,002.10/1,086,003.15 = 303,234.10/x
  3. Step 3: Cross multiply
    724,002.10x = 1,086,003.15 × 303,234.10
  4. Step 4: Simplify right side
    724,002.10x = 329,313,187,787.42
  5. Step 5: Solve for x
    x = 329,313,187,787.42/724,002.10
  6. Step 6: Final answer
    x = 454,851.15

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Double scale
Find fourth proportional to 724,003.10, 1,086,004.65 and 303,235.10
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.