Home / 654,987.20-982,480.71-181,672.55

Finding the Fourth Proportional to 654,987.20, 982,480.71 and 181,672.55

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Solution

The fourth proportional to 654,987.20, 982,480.71 and 181,672.55 is: 272,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,987.20 : 982,480.71 = 181,672.55 : x
  2. Step 2: Convert to fraction form
    654,987.20/982,480.71 = 181,672.55/x
  3. Step 3: Cross multiply
    654,987.20x = 982,480.71 × 181,672.55
  4. Step 4: Simplify right side
    654,987.20x = 178,489,778,367.71
  5. Step 5: Solve for x
    x = 178,489,778,367.71/654,987.20
  6. Step 6: Final answer
    x = 272,508.81

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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.