Home / 494,195.55-682,001.69-279,336.44

Finding the Fourth Proportional to 494,195.55, 682,001.69 and 279,336.44

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Solution

The fourth proportional to 494,195.55, 682,001.69 and 279,336.44 is: 385,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,195.55 : 682,001.69 = 279,336.44 : x
  2. Step 2: Convert to fraction form
    494,195.55/682,001.69 = 279,336.44/x
  3. Step 3: Cross multiply
    494,195.55x = 682,001.69 × 279,336.44
  4. Step 4: Simplify right side
    494,195.55x = 190,507,922,761.90
  5. Step 5: Solve for x
    x = 190,507,922,761.90/494,195.55
  6. Step 6: Final answer
    x = 385,490.97

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1.5x scale

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.