Home / 726,276.38-1,089,589.52-227,640.38

Finding the Fourth Proportional to 726,276.38, 1,089,589.52 and 227,640.38

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Solution

The fourth proportional to 726,276.38, 1,089,589.52 and 227,640.38 is: 341,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,276.38 : 1,089,589.52 = 227,640.38 : x
  2. Step 2: Convert to fraction form
    726,276.38/1,089,589.52 = 227,640.38/x
  3. Step 3: Cross multiply
    726,276.38x = 1,089,589.52 × 227,640.38
  4. Step 4: Simplify right side
    726,276.38x = 248,034,567,497.97
  5. Step 5: Solve for x
    x = 248,034,567,497.97/726,276.38
  6. Step 6: Final answer
    x = 341,515.40

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1.5x scale

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.