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Finding the Fourth Proportional to 505,997.28, 758,109.78 and 451,081.44

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Solution

The fourth proportional to 505,997.28, 758,109.78 and 451,081.44 is: 675,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,997.28 : 758,109.78 = 451,081.44 : x
  2. Step 2: Convert to fraction form
    505,997.28/758,109.78 = 451,081.44/x
  3. Step 3: Cross multiply
    505,997.28x = 758,109.78 × 451,081.44
  4. Step 4: Simplify right side
    505,997.28x = 341,969,251,240.48
  5. Step 5: Solve for x
    x = 341,969,251,240.48/505,997.28
  6. Step 6: Final answer
    x = 675,832.19

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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.