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Finding the Fourth Proportional to 515,840.10, 773,760.15 and 336,481.80

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Solution

The fourth proportional to 515,840.10, 773,760.15 and 336,481.80 is: 504,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,840.10 : 773,760.15 = 336,481.80 : x
  2. Step 2: Convert to fraction form
    515,840.10/773,760.15 = 336,481.80/x
  3. Step 3: Cross multiply
    515,840.10x = 773,760.15 × 336,481.80
  4. Step 4: Simplify right side
    515,840.10x = 260,356,208,040.27
  5. Step 5: Solve for x
    x = 260,356,208,040.27/515,840.10
  6. Step 6: Final answer
    x = 504,722.70

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Similar ratio
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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.