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Finding the Fourth Proportional to 633,131.52, 873,805.02 and 361,137.12

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Solution

The fourth proportional to 633,131.52, 873,805.02 and 361,137.12 is: 498,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,131.52 : 873,805.02 = 361,137.12 : x
  2. Step 2: Convert to fraction form
    633,131.52/873,805.02 = 361,137.12/x
  3. Step 3: Cross multiply
    633,131.52x = 873,805.02 × 361,137.12
  4. Step 4: Simplify right side
    633,131.52x = 315,563,428,364.34
  5. Step 5: Solve for x
    x = 315,563,428,364.34/633,131.52
  6. Step 6: Final answer
    x = 498,416.87

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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.