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Finding the Fourth Proportional to 800,494.92, 1,104,742.86 and 456,339

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Solution

The fourth proportional to 800,494.92, 1,104,742.86 and 456,339 is: 629,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,494.92 : 1,104,742.86 = 456,339 : x
  2. Step 2: Convert to fraction form
    800,494.92/1,104,742.86 = 456,339/x
  3. Step 3: Cross multiply
    800,494.92x = 1,104,742.86 × 456,339
  4. Step 4: Simplify right side
    800,494.92x = 504,137,251,989.54
  5. Step 5: Solve for x
    x = 504,137,251,989.54/800,494.92
  6. Step 6: Final answer
    x = 629,781.95

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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.