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Finding the Fourth Proportional to 503,879.54, 755,814.60 and 204,288.91

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Solution

The fourth proportional to 503,879.54, 755,814.60 and 204,288.91 is: 306,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,879.54 : 755,814.60 = 204,288.91 : x
  2. Step 2: Convert to fraction form
    503,879.54/755,814.60 = 204,288.91/x
  3. Step 3: Cross multiply
    503,879.54x = 755,814.60 × 204,288.91
  4. Step 4: Simplify right side
    503,879.54x = 154,404,538,906.55
  5. Step 5: Solve for x
    x = 154,404,538,906.55/503,879.54
  6. Step 6: Final answer
    x = 306,431.45

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Similar ratio
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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.