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Finding the Fourth Proportional to 664,404.36, 995,992.56 and 264,948

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Solution

The fourth proportional to 664,404.36, 995,992.56 and 264,948 is: 397,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,404.36 : 995,992.56 = 264,948 : x
  2. Step 2: Convert to fraction form
    664,404.36/995,992.56 = 264,948/x
  3. Step 3: Cross multiply
    664,404.36x = 995,992.56 × 264,948
  4. Step 4: Simplify right side
    664,404.36x = 263,886,236,786.88
  5. Step 5: Solve for x
    x = 263,886,236,786.88/664,404.36
  6. Step 6: Final answer
    x = 397,177.16

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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.