Home / 861,228.13-1,291,922.67-254,017.03

Finding the Fourth Proportional to 861,228.13, 1,291,922.67 and 254,017.03

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Solution

The fourth proportional to 861,228.13, 1,291,922.67 and 254,017.03 is: 381,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,228.13 : 1,291,922.67 = 254,017.03 : x
  2. Step 2: Convert to fraction form
    861,228.13/1,291,922.67 = 254,017.03/x
  3. Step 3: Cross multiply
    861,228.13x = 1,291,922.67 × 254,017.03
  4. Step 4: Simplify right side
    861,228.13x = 328,170,361,734.73
  5. Step 5: Solve for x
    x = 328,170,361,734.73/861,228.13
  6. Step 6: Final answer
    x = 381,049.28

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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.