Home / 494,001.24-681,761.73-279,185.88

Finding the Fourth Proportional to 494,001.24, 681,761.73 and 279,185.88

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Solution

The fourth proportional to 494,001.24, 681,761.73 and 279,185.88 is: 385,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,001.24 : 681,761.73 = 279,185.88 : x
  2. Step 2: Convert to fraction form
    494,001.24/681,761.73 = 279,185.88/x
  3. Step 3: Cross multiply
    494,001.24x = 681,761.73 × 279,185.88
  4. Step 4: Simplify right side
    494,001.24x = 190,338,248,540.37
  5. Step 5: Solve for x
    x = 190,338,248,540.37/494,001.24
  6. Step 6: Final answer
    x = 385,299.13

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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.