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Finding the Fourth Proportional to 503,590.28, 755,008.08 and 303,863.48

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Solution

The fourth proportional to 503,590.28, 755,008.08 and 303,863.48 is: 455,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,590.28 : 755,008.08 = 303,863.48 : x
  2. Step 2: Convert to fraction form
    503,590.28/755,008.08 = 303,863.48/x
  3. Step 3: Cross multiply
    503,590.28x = 755,008.08 × 303,863.48
  4. Step 4: Simplify right side
    503,590.28x = 229,419,382,616.92
  5. Step 5: Solve for x
    x = 229,419,382,616.92/503,590.28
  6. Step 6: Final answer
    x = 455,567.54

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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.