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Finding the Fourth Proportional to 494,745.71, 682,397.10 and 454,041.28

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Solution

The fourth proportional to 494,745.71, 682,397.10 and 454,041.28 is: 626,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,745.71 : 682,397.10 = 454,041.28 : x
  2. Step 2: Convert to fraction form
    494,745.71/682,397.10 = 454,041.28/x
  3. Step 3: Cross multiply
    494,745.71x = 682,397.10 × 454,041.28
  4. Step 4: Simplify right side
    494,745.71x = 309,836,451,046.30
  5. Step 5: Solve for x
    x = 309,836,451,046.30/494,745.71
  6. Step 6: Final answer
    x = 626,253.95

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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.