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Finding the Fourth Proportional to 591,377.12, 816,102.96 and 323,110.88

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Solution

The fourth proportional to 591,377.12, 816,102.96 and 323,110.88 is: 445,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,377.12 : 816,102.96 = 323,110.88 : x
  2. Step 2: Convert to fraction form
    591,377.12/816,102.96 = 323,110.88/x
  3. Step 3: Cross multiply
    591,377.12x = 816,102.96 × 323,110.88
  4. Step 4: Simplify right side
    591,377.12x = 263,691,745,576.21
  5. Step 5: Solve for x
    x = 263,691,745,576.21/591,377.12
  6. Step 6: Final answer
    x = 445,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.