Home / 854,785.46-1,281,045.62-454,564.46

Finding the Fourth Proportional to 854,785.46, 1,281,045.62 and 454,564.46

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Solution

The fourth proportional to 854,785.46, 1,281,045.62 and 454,564.46 is: 681,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,785.46 : 1,281,045.62 = 454,564.46 : x
  2. Step 2: Convert to fraction form
    854,785.46/1,281,045.62 = 454,564.46/x
  3. Step 3: Cross multiply
    854,785.46x = 1,281,045.62 × 454,564.46
  4. Step 4: Simplify right side
    854,785.46x = 582,317,810,490.67
  5. Step 5: Solve for x
    x = 582,317,810,490.67/854,785.46
  6. Step 6: Final answer
    x = 681,244.40

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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.