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Finding the Fourth Proportional to 494,662, 682,633.62 and 279,797.44

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Solution

The fourth proportional to 494,662, 682,633.62 and 279,797.44 is: 386,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,662 : 682,633.62 = 279,797.44 : x
  2. Step 2: Convert to fraction form
    494,662/682,633.62 = 279,797.44/x
  3. Step 3: Cross multiply
    494,662x = 682,633.62 × 279,797.44
  4. Step 4: Simplify right side
    494,662x = 190,999,139,333.93
  5. Step 5: Solve for x
    x = 190,999,139,333.93/494,662
  6. Step 6: Final answer
    x = 386,120.50

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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.