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Finding the Fourth Proportional to 518,872.06, 779,414.37 and 488,535.64

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Solution

The fourth proportional to 518,872.06, 779,414.37 and 488,535.64 is: 733,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,872.06 : 779,414.37 = 488,535.64 : x
  2. Step 2: Convert to fraction form
    518,872.06/779,414.37 = 488,535.64/x
  3. Step 3: Cross multiply
    518,872.06x = 779,414.37 × 488,535.64
  4. Step 4: Simplify right side
    518,872.06x = 380,771,694,292.60
  5. Step 5: Solve for x
    x = 380,771,694,292.60/518,872.06
  6. Step 6: Final answer
    x = 733,845.05

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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.