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Finding the Fourth Proportional to 663,691.79, 995,537.73 and 264,612.82

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Solution

The fourth proportional to 663,691.79, 995,537.73 and 264,612.82 is: 396,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,691.79 : 995,537.73 = 264,612.82 : x
  2. Step 2: Convert to fraction form
    663,691.79/995,537.73 = 264,612.82/x
  3. Step 3: Cross multiply
    663,691.79x = 995,537.73 × 264,612.82
  4. Step 4: Simplify right side
    663,691.79x = 263,432,046,054.36
  5. Step 5: Solve for x
    x = 263,432,046,054.36/663,691.79
  6. Step 6: Final answer
    x = 396,919.25

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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.