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Finding the Fourth Proportional to 504,940.58, 756,986.80 and 220,414.65

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Solution

The fourth proportional to 504,940.58, 756,986.80 and 220,414.65 is: 330,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,940.58 : 756,986.80 = 220,414.65 : x
  2. Step 2: Convert to fraction form
    504,940.58/756,986.80 = 220,414.65/x
  3. Step 3: Cross multiply
    504,940.58x = 756,986.80 × 220,414.65
  4. Step 4: Simplify right side
    504,940.58x = 166,850,975,689.61
  5. Step 5: Solve for x
    x = 166,850,975,689.61/504,940.58
  6. Step 6: Final answer
    x = 330,436.85

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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.