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Finding the Fourth Proportional to 664,313.82, 995,857.56 and 264,858

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Solution

The fourth proportional to 664,313.82, 995,857.56 and 264,858 is: 397,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,313.82 : 995,857.56 = 264,858 : x
  2. Step 2: Convert to fraction form
    664,313.82/995,857.56 = 264,858/x
  3. Step 3: Cross multiply
    664,313.82x = 995,857.56 × 264,858
  4. Step 4: Simplify right side
    664,313.82x = 263,760,841,626.48
  5. Step 5: Solve for x
    x = 263,760,841,626.48/664,313.82
  6. Step 6: Final answer
    x = 397,042.53

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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.