Home / 899,542.62-1,348,819.72-443,129.57

Finding the Fourth Proportional to 899,542.62, 1,348,819.72 and 443,129.57

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Solution

The fourth proportional to 899,542.62, 1,348,819.72 and 443,129.57 is: 664,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,542.62 : 1,348,819.72 = 443,129.57 : x
  2. Step 2: Convert to fraction form
    899,542.62/1,348,819.72 = 443,129.57/x
  3. Step 3: Cross multiply
    899,542.62x = 1,348,819.72 × 443,129.57
  4. Step 4: Simplify right side
    899,542.62x = 597,701,902,531.12
  5. Step 5: Solve for x
    x = 597,701,902,531.12/899,542.62
  6. Step 6: Final answer
    x = 664,450.90

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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.