Home / 815,233.12-1,222,454.66-341,791.36

Finding the Fourth Proportional to 815,233.12, 1,222,454.66 and 341,791.36

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Solution

The fourth proportional to 815,233.12, 1,222,454.66 and 341,791.36 is: 512,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,233.12 : 1,222,454.66 = 341,791.36 : x
  2. Step 2: Convert to fraction form
    815,233.12/1,222,454.66 = 341,791.36/x
  3. Step 3: Cross multiply
    815,233.12x = 1,222,454.66 × 341,791.36
  4. Step 4: Simplify right side
    815,233.12x = 417,824,440,779.74
  5. Step 5: Solve for x
    x = 417,824,440,779.74/815,233.12
  6. Step 6: Final answer
    x = 512,521.43

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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.