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Finding the Fourth Proportional to 504,220.78, 756,315.84 and 204,694.12

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Solution

The fourth proportional to 504,220.78, 756,315.84 and 204,694.12 is: 307,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,220.78 : 756,315.84 = 204,694.12 : x
  2. Step 2: Convert to fraction form
    504,220.78/756,315.84 = 204,694.12/x
  3. Step 3: Cross multiply
    504,220.78x = 756,315.84 × 204,694.12
  4. Step 4: Simplify right side
    504,220.78x = 154,813,405,310.86
  5. Step 5: Solve for x
    x = 154,813,405,310.86/504,220.78
  6. Step 6: Final answer
    x = 307,034.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.