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Finding the Fourth Proportional to 494,886.70, 682,944.78 and 268,532.20

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Solution

The fourth proportional to 494,886.70, 682,944.78 and 268,532.20 is: 370,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,886.70 : 682,944.78 = 268,532.20 : x
  2. Step 2: Convert to fraction form
    494,886.70/682,944.78 = 268,532.20/x
  3. Step 3: Cross multiply
    494,886.70x = 682,944.78 × 268,532.20
  4. Step 4: Simplify right side
    494,886.70x = 183,392,664,251.92
  5. Step 5: Solve for x
    x = 183,392,664,251.92/494,886.70
  6. Step 6: Final answer
    x = 370,575.05

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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.