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Finding the Fourth Proportional to 888,676, 1,226,372.88 and 486,268

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Solution

The fourth proportional to 888,676, 1,226,372.88 and 486,268 is: 671,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,676 : 1,226,372.88 = 486,268 : x
  2. Step 2: Convert to fraction form
    888,676/1,226,372.88 = 486,268/x
  3. Step 3: Cross multiply
    888,676x = 1,226,372.88 × 486,268
  4. Step 4: Simplify right side
    888,676x = 596,345,887,611.84
  5. Step 5: Solve for x
    x = 596,345,887,611.84/888,676
  6. Step 6: Final answer
    x = 671,049.84

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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.