Home / 726,206.80-1,089,318.12-220,849.96

Finding the Fourth Proportional to 726,206.80, 1,089,318.12 and 220,849.96

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Solution

The fourth proportional to 726,206.80, 1,089,318.12 and 220,849.96 is: 331,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,206.80 : 1,089,318.12 = 220,849.96 : x
  2. Step 2: Convert to fraction form
    726,206.80/1,089,318.12 = 220,849.96/x
  3. Step 3: Cross multiply
    726,206.80x = 1,089,318.12 × 220,849.96
  4. Step 4: Simplify right side
    726,206.80x = 240,575,863,229.28
  5. Step 5: Solve for x
    x = 240,575,863,229.28/726,206.80
  6. Step 6: Final answer
    x = 331,277.35

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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.