Home / 422,429.31-582,953.76-228,839.04

Finding the Fourth Proportional to 422,429.31, 582,953.76 and 228,839.04

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Solution

The fourth proportional to 422,429.31, 582,953.76 and 228,839.04 is: 315,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,429.31 : 582,953.76 = 228,839.04 : x
  2. Step 2: Convert to fraction form
    422,429.31/582,953.76 = 228,839.04/x
  3. Step 3: Cross multiply
    422,429.31x = 582,953.76 × 228,839.04
  4. Step 4: Simplify right side
    422,429.31x = 133,402,578,802.79
  5. Step 5: Solve for x
    x = 133,402,578,802.79/422,429.31
  6. Step 6: Final answer
    x = 315,798.59

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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.