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Finding the Fourth Proportional to 505,998.28, 758,111.28 and 451,082.44

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Solution

The fourth proportional to 505,998.28, 758,111.28 and 451,082.44 is: 675,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,998.28 : 758,111.28 = 451,082.44 : x
  2. Step 2: Convert to fraction form
    505,998.28/758,111.28 = 451,082.44/x
  3. Step 3: Cross multiply
    505,998.28x = 758,111.28 × 451,082.44
  4. Step 4: Simplify right side
    505,998.28x = 341,970,685,973.92
  5. Step 5: Solve for x
    x = 341,970,685,973.92/505,998.28
  6. Step 6: Final answer
    x = 675,833.69

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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.