Home / 726,773.38-1,089,357.22-300,073.96

Finding the Fourth Proportional to 726,773.38, 1,089,357.22 and 300,073.96

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Solution

The fourth proportional to 726,773.38, 1,089,357.22 and 300,073.96 is: 449,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,773.38 : 1,089,357.22 = 300,073.96 : x
  2. Step 2: Convert to fraction form
    726,773.38/1,089,357.22 = 300,073.96/x
  3. Step 3: Cross multiply
    726,773.38x = 1,089,357.22 × 300,073.96
  4. Step 4: Simplify right side
    726,773.38x = 326,887,734,859.99
  5. Step 5: Solve for x
    x = 326,887,734,859.99/726,773.38
  6. Step 6: Final answer
    x = 449,779.46

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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.