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Finding the Fourth Proportional to 633,425.88, 873,884.52 and 361,508.88

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Solution

The fourth proportional to 633,425.88, 873,884.52 and 361,508.88 is: 498,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,425.88 : 873,884.52 = 361,508.88 : x
  2. Step 2: Convert to fraction form
    633,425.88/873,884.52 = 361,508.88/x
  3. Step 3: Cross multiply
    633,425.88x = 873,884.52 × 361,508.88
  4. Step 4: Simplify right side
    633,425.88x = 315,917,014,074.54
  5. Step 5: Solve for x
    x = 315,917,014,074.54/633,425.88
  6. Step 6: Final answer
    x = 498,743.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.