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Finding the Fourth Proportional to 663,862.15, 995,791.71 and 284,536.92

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Solution

The fourth proportional to 663,862.15, 995,791.71 and 284,536.92 is: 426,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,862.15 : 995,791.71 = 284,536.92 : x
  2. Step 2: Convert to fraction form
    663,862.15/995,791.71 = 284,536.92/x
  3. Step 3: Cross multiply
    663,862.15x = 995,791.71 × 284,536.92
  4. Step 4: Simplify right side
    663,862.15x = 283,339,506,124.93
  5. Step 5: Solve for x
    x = 283,339,506,124.93/663,862.15
  6. Step 6: Final answer
    x = 426,804.73

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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.