Home / 494,518-682,439.12-268,163.52

Finding the Fourth Proportional to 494,518, 682,439.12 and 268,163.52

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Solution

The fourth proportional to 494,518, 682,439.12 and 268,163.52 is: 370,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,518 : 682,439.12 = 268,163.52 : x
  2. Step 2: Convert to fraction form
    494,518/682,439.12 = 268,163.52/x
  3. Step 3: Cross multiply
    494,518x = 682,439.12 × 268,163.52
  4. Step 4: Simplify right side
    494,518x = 183,005,276,604.90
  5. Step 5: Solve for x
    x = 183,005,276,604.90/494,518
  6. Step 6: Final answer
    x = 370,067.98

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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.