Home / 722,378.12-1,083,606.06-301,229.96

Finding the Fourth Proportional to 722,378.12, 1,083,606.06 and 301,229.96

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Solution

The fourth proportional to 722,378.12, 1,083,606.06 and 301,229.96 is: 451,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,378.12 : 1,083,606.06 = 301,229.96 : x
  2. Step 2: Convert to fraction form
    722,378.12/1,083,606.06 = 301,229.96/x
  3. Step 3: Cross multiply
    722,378.12x = 1,083,606.06 × 301,229.96
  4. Step 4: Simplify right side
    722,378.12x = 326,414,610,109.56
  5. Step 5: Solve for x
    x = 326,414,610,109.56/722,378.12
  6. Step 6: Final answer
    x = 451,861.15

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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.