Home / 591,244.97-815,917.83-319,312.92

Finding the Fourth Proportional to 591,244.97, 815,917.83 and 319,312.92

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Solution

The fourth proportional to 591,244.97, 815,917.83 and 319,312.92 is: 440,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,244.97 : 815,917.83 = 319,312.92 : x
  2. Step 2: Convert to fraction form
    591,244.97/815,917.83 = 319,312.92/x
  3. Step 3: Cross multiply
    591,244.97x = 815,917.83 × 319,312.92
  4. Step 4: Simplify right side
    591,244.97x = 260,533,104,777.36
  5. Step 5: Solve for x
    x = 260,533,104,777.36/591,244.97
  6. Step 6: Final answer
    x = 440,651.71

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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.