Home / 726,427.56-1,089,278.04-270,864.48

Finding the Fourth Proportional to 726,427.56, 1,089,278.04 and 270,864.48

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Solution

The fourth proportional to 726,427.56, 1,089,278.04 and 270,864.48 is: 406,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,427.56 : 1,089,278.04 = 270,864.48 : x
  2. Step 2: Convert to fraction form
    726,427.56/1,089,278.04 = 270,864.48/x
  3. Step 3: Cross multiply
    726,427.56x = 1,089,278.04 × 270,864.48
  4. Step 4: Simplify right side
    726,427.56x = 295,046,729,880.02
  5. Step 5: Solve for x
    x = 295,046,729,880.02/726,427.56
  6. Step 6: Final answer
    x = 406,161.26

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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.