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Finding the Fourth Proportional to 505,369.56, 756,845.82 and 291,489.10

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Solution

The fourth proportional to 505,369.56, 756,845.82 and 291,489.10 is: 436,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,369.56 : 756,845.82 = 291,489.10 : x
  2. Step 2: Convert to fraction form
    505,369.56/756,845.82 = 291,489.10/x
  3. Step 3: Cross multiply
    505,369.56x = 756,845.82 × 291,489.10
  4. Step 4: Simplify right side
    505,369.56x = 220,612,306,910.56
  5. Step 5: Solve for x
    x = 220,612,306,910.56/505,369.56
  6. Step 6: Final answer
    x = 436,536.59

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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.