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Finding the Fourth Proportional to 637,757.84, 880,105.65 and 351,277.92

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Solution

The fourth proportional to 637,757.84, 880,105.65 and 351,277.92 is: 484,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,757.84 : 880,105.65 = 351,277.92 : x
  2. Step 2: Convert to fraction form
    637,757.84/880,105.65 = 351,277.92/x
  3. Step 3: Cross multiply
    637,757.84x = 880,105.65 × 351,277.92
  4. Step 4: Simplify right side
    637,757.84x = 309,161,680,355.86
  5. Step 5: Solve for x
    x = 309,161,680,355.86/637,757.84
  6. Step 6: Final answer
    x = 484,763.44

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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.