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Finding the Fourth Proportional to 512,498.37, 768,750.29 and 336,122.30

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Solution

The fourth proportional to 512,498.37, 768,750.29 and 336,122.30 is: 504,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,498.37 : 768,750.29 = 336,122.30 : x
  2. Step 2: Convert to fraction form
    512,498.37/768,750.29 = 336,122.30/x
  3. Step 3: Cross multiply
    512,498.37x = 768,750.29 × 336,122.30
  4. Step 4: Simplify right side
    512,498.37x = 258,394,110,076.10
  5. Step 5: Solve for x
    x = 258,394,110,076.10/512,498.37
  6. Step 6: Final answer
    x = 504,185.23

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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.