Home / 726,369.25-1,089,217.18-270,838.17

Finding the Fourth Proportional to 726,369.25, 1,089,217.18 and 270,838.17

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Solution

The fourth proportional to 726,369.25, 1,089,217.18 and 270,838.17 is: 406,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,369.25 : 1,089,217.18 = 270,838.17 : x
  2. Step 2: Convert to fraction form
    726,369.25/1,089,217.18 = 270,838.17/x
  3. Step 3: Cross multiply
    726,369.25x = 1,089,217.18 × 270,838.17
  4. Step 4: Simplify right side
    726,369.25x = 295,001,587,763.76
  5. Step 5: Solve for x
    x = 295,001,587,763.76/726,369.25
  6. Step 6: Final answer
    x = 406,131.71

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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.