Home / 494,720.60-682,714.66-279,856.10

Finding the Fourth Proportional to 494,720.60, 682,714.66 and 279,856.10

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Solution

The fourth proportional to 494,720.60, 682,714.66 and 279,856.10 is: 386,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,720.60 : 682,714.66 = 279,856.10 : x
  2. Step 2: Convert to fraction form
    494,720.60/682,714.66 = 279,856.10/x
  3. Step 3: Cross multiply
    494,720.60x = 682,714.66 × 279,856.10
  4. Step 4: Simplify right side
    494,720.60x = 191,061,858,746.85
  5. Step 5: Solve for x
    x = 191,061,858,746.85/494,720.60
  6. Step 6: Final answer
    x = 386,201.55

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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.