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Finding the Fourth Proportional to 637,991.28, 880,447.86 and 366,108.96

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Solution

The fourth proportional to 637,991.28, 880,447.86 and 366,108.96 is: 505,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,991.28 : 880,447.86 = 366,108.96 : x
  2. Step 2: Convert to fraction form
    637,991.28/880,447.86 = 366,108.96/x
  3. Step 3: Cross multiply
    637,991.28x = 880,447.86 × 366,108.96
  4. Step 4: Simplify right side
    637,991.28x = 322,339,850,358.83
  5. Step 5: Solve for x
    x = 322,339,850,358.83/637,991.28
  6. Step 6: Final answer
    x = 505,241.78

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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.