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Finding the Fourth Proportional to 494,667, 682,640.46 and 279,802.44

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Solution

The fourth proportional to 494,667, 682,640.46 and 279,802.44 is: 386,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,667 : 682,640.46 = 279,802.44 : x
  2. Step 2: Convert to fraction form
    494,667/682,640.46 = 279,802.44/x
  3. Step 3: Cross multiply
    494,667x = 682,640.46 × 279,802.44
  4. Step 4: Simplify right side
    494,667x = 191,004,466,350.72
  5. Step 5: Solve for x
    x = 191,004,466,350.72/494,667
  6. Step 6: Final answer
    x = 386,127.37

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1.5x scale

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.