Home / 815,419.20-1,222,691.40-341,569.20

Finding the Fourth Proportional to 815,419.20, 1,222,691.40 and 341,569.20

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Solution

The fourth proportional to 815,419.20, 1,222,691.40 and 341,569.20 is: 512,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,419.20 : 1,222,691.40 = 341,569.20 : x
  2. Step 2: Convert to fraction form
    815,419.20/1,222,691.40 = 341,569.20/x
  3. Step 3: Cross multiply
    815,419.20x = 1,222,691.40 × 341,569.20
  4. Step 4: Simplify right side
    815,419.20x = 417,633,723,344.88
  5. Step 5: Solve for x
    x = 417,633,723,344.88/815,419.20
  6. Step 6: Final answer
    x = 512,170.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.