Home / 950,391.25-1,425,799.66-319,287.85

Finding the Fourth Proportional to 950,391.25, 1,425,799.66 and 319,287.85

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Solution

The fourth proportional to 950,391.25, 1,425,799.66 and 319,287.85 is: 479,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,391.25 : 1,425,799.66 = 319,287.85 : x
  2. Step 2: Convert to fraction form
    950,391.25/1,425,799.66 = 319,287.85/x
  3. Step 3: Cross multiply
    950,391.25x = 1,425,799.66 × 319,287.85
  4. Step 4: Simplify right side
    950,391.25x = 455,240,500,843.13
  5. Step 5: Solve for x
    x = 455,240,500,843.13/950,391.25
  6. Step 6: Final answer
    x = 479,003.26

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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.