Home / 547,861.41-756,034.20-306,145.96

Finding the Fourth Proportional to 547,861.41, 756,034.20 and 306,145.96

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Solution

The fourth proportional to 547,861.41, 756,034.20 and 306,145.96 is: 422,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,861.41 : 756,034.20 = 306,145.96 : x
  2. Step 2: Convert to fraction form
    547,861.41/756,034.20 = 306,145.96/x
  3. Step 3: Cross multiply
    547,861.41x = 756,034.20 × 306,145.96
  4. Step 4: Simplify right side
    547,861.41x = 231,456,815,951.83
  5. Step 5: Solve for x
    x = 231,456,815,951.83/547,861.41
  6. Step 6: Final answer
    x = 422,473.30

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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.