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Finding the Fourth Proportional to 494,754.57, 682,762.59 and 268,400.07

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Solution

The fourth proportional to 494,754.57, 682,762.59 and 268,400.07 is: 370,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,754.57 : 682,762.59 = 268,400.07 : x
  2. Step 2: Convert to fraction form
    494,754.57/682,762.59 = 268,400.07/x
  3. Step 3: Cross multiply
    494,754.57x = 682,762.59 × 268,400.07
  4. Step 4: Simplify right side
    494,754.57x = 183,253,526,949.38
  5. Step 5: Solve for x
    x = 183,253,526,949.38/494,754.57
  6. Step 6: Final answer
    x = 370,392.79

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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.