Home / 726,109.12-1,089,164.16-227,512

Finding the Fourth Proportional to 726,109.12, 1,089,164.16 and 227,512

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Solution

The fourth proportional to 726,109.12, 1,089,164.16 and 227,512 is: 341,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,109.12 : 1,089,164.16 = 227,512 : x
  2. Step 2: Convert to fraction form
    726,109.12/1,089,164.16 = 227,512/x
  3. Step 3: Cross multiply
    726,109.12x = 1,089,164.16 × 227,512
  4. Step 4: Simplify right side
    726,109.12x = 247,797,916,369.92
  5. Step 5: Solve for x
    x = 247,797,916,369.92/726,109.12
  6. Step 6: Final answer
    x = 341,268.15

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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.