Home / 854,778.96-1,281,035.88-454,557.96

Finding the Fourth Proportional to 854,778.96, 1,281,035.88 and 454,557.96

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Solution

The fourth proportional to 854,778.96, 1,281,035.88 and 454,557.96 is: 681,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,778.96 : 1,281,035.88 = 454,557.96 : x
  2. Step 2: Convert to fraction form
    854,778.96/1,281,035.88 = 454,557.96/x
  3. Step 3: Cross multiply
    854,778.96x = 1,281,035.88 × 454,557.96
  4. Step 4: Simplify right side
    854,778.96x = 582,305,056,299.61
  5. Step 5: Solve for x
    x = 582,305,056,299.61/854,778.96
  6. Step 6: Final answer
    x = 681,234.66

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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.