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Finding the Fourth Proportional to 637,757.64, 880,105.46 and 351,277.72

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Solution

The fourth proportional to 637,757.64, 880,105.46 and 351,277.72 is: 484,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,757.64 : 880,105.46 = 351,277.72 : x
  2. Step 2: Convert to fraction form
    637,757.64/880,105.46 = 351,277.72/x
  3. Step 3: Cross multiply
    637,757.64x = 880,105.46 × 351,277.72
  4. Step 4: Simplify right side
    637,757.64x = 309,161,439,348.35
  5. Step 5: Solve for x
    x = 309,161,439,348.35/637,757.64
  6. Step 6: Final answer
    x = 484,763.21

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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.