Home / 726,851.28-1,090,500.21-372,114.30

Finding the Fourth Proportional to 726,851.28, 1,090,500.21 and 372,114.30

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Solution

The fourth proportional to 726,851.28, 1,090,500.21 and 372,114.30 is: 558,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,851.28 : 1,090,500.21 = 372,114.30 : x
  2. Step 2: Convert to fraction form
    726,851.28/1,090,500.21 = 372,114.30/x
  3. Step 3: Cross multiply
    726,851.28x = 1,090,500.21 × 372,114.30
  4. Step 4: Simplify right side
    726,851.28x = 405,790,722,294.00
  5. Step 5: Solve for x
    x = 405,790,722,294.00/726,851.28
  6. Step 6: Final answer
    x = 558,285.76

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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.