Home / 721,912.56-1,083,490.92-500,452.08

Finding the Fourth Proportional to 721,912.56, 1,083,490.92 and 500,452.08

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Solution

The fourth proportional to 721,912.56, 1,083,490.92 and 500,452.08 is: 751,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,912.56 : 1,083,490.92 = 500,452.08 : x
  2. Step 2: Convert to fraction form
    721,912.56/1,083,490.92 = 500,452.08/x
  3. Step 3: Cross multiply
    721,912.56x = 1,083,490.92 × 500,452.08
  4. Step 4: Simplify right side
    721,912.56x = 542,235,284,575.11
  5. Step 5: Solve for x
    x = 542,235,284,575.11/721,912.56
  6. Step 6: Final answer
    x = 751,109.37

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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.