Home / 854,389.49-1,281,778.63-454,819.73

Finding the Fourth Proportional to 854,389.49, 1,281,778.63 and 454,819.73

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Solution

The fourth proportional to 854,389.49, 1,281,778.63 and 454,819.73 is: 682,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,389.49 : 1,281,778.63 = 454,819.73 : x
  2. Step 2: Convert to fraction form
    854,389.49/1,281,778.63 = 454,819.73/x
  3. Step 3: Cross multiply
    854,389.49x = 1,281,778.63 × 454,819.73
  4. Step 4: Simplify right side
    854,389.49x = 582,978,202,870.43
  5. Step 5: Solve for x
    x = 582,978,202,870.43/854,389.49
  6. Step 6: Final answer
    x = 682,333.07

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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.