Home / 471,949.28-651,531.42-319,791.59

Finding the Fourth Proportional to 471,949.28, 651,531.42 and 319,791.59

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Solution

The fourth proportional to 471,949.28, 651,531.42 and 319,791.59 is: 441,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,949.28 : 651,531.42 = 319,791.59 : x
  2. Step 2: Convert to fraction form
    471,949.28/651,531.42 = 319,791.59/x
  3. Step 3: Cross multiply
    471,949.28x = 651,531.42 × 319,791.59
  4. Step 4: Simplify right side
    471,949.28x = 208,354,265,479.10
  5. Step 5: Solve for x
    x = 208,354,265,479.10/471,949.28
  6. Step 6: Final answer
    x = 441,475.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.