Home / 494,722.47-682,717.23-279,857.97

Finding the Fourth Proportional to 494,722.47, 682,717.23 and 279,857.97

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Solution

The fourth proportional to 494,722.47, 682,717.23 and 279,857.97 is: 386,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,722.47 : 682,717.23 = 279,857.97 : x
  2. Step 2: Convert to fraction form
    494,722.47/682,717.23 = 279,857.97/x
  3. Step 3: Cross multiply
    494,722.47x = 682,717.23 × 279,857.97
  4. Step 4: Simplify right side
    494,722.47x = 191,063,858,071.82
  5. Step 5: Solve for x
    x = 191,063,858,071.82/494,722.47
  6. Step 6: Final answer
    x = 386,204.12

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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.