Home / 422,447.04-582,976.80-231,467.68

Finding the Fourth Proportional to 422,447.04, 582,976.80 and 231,467.68

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Solution

The fourth proportional to 422,447.04, 582,976.80 and 231,467.68 is: 319,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,447.04 : 582,976.80 = 231,467.68 : x
  2. Step 2: Convert to fraction form
    422,447.04/582,976.80 = 231,467.68/x
  3. Step 3: Cross multiply
    422,447.04x = 582,976.80 × 231,467.68
  4. Step 4: Simplify right side
    422,447.04x = 134,940,287,389.82
  5. Step 5: Solve for x
    x = 134,940,287,389.82/422,447.04
  6. Step 6: Final answer
    x = 319,425.34

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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.