Home / 664,819.10-996,937.05-265,327.10

Finding the Fourth Proportional to 664,819.10, 996,937.05 and 265,327.10

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Solution

The fourth proportional to 664,819.10, 996,937.05 and 265,327.10 is: 397,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,819.10 : 996,937.05 = 265,327.10 : x
  2. Step 2: Convert to fraction form
    664,819.10/996,937.05 = 265,327.10/x
  3. Step 3: Cross multiply
    664,819.10x = 996,937.05 × 265,327.10
  4. Step 4: Simplify right side
    664,819.10x = 264,514,416,359.06
  5. Step 5: Solve for x
    x = 264,514,416,359.06/664,819.10
  6. Step 6: Final answer
    x = 397,874.27

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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.