Home / 494,376.80-682,258.35-279,504.05

Finding the Fourth Proportional to 494,376.80, 682,258.35 and 279,504.05

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Solution

The fourth proportional to 494,376.80, 682,258.35 and 279,504.05 is: 385,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,376.80 : 682,258.35 = 279,504.05 : x
  2. Step 2: Convert to fraction form
    494,376.80/682,258.35 = 279,504.05/x
  3. Step 3: Cross multiply
    494,376.80x = 682,258.35 × 279,504.05
  4. Step 4: Simplify right side
    494,376.80x = 190,693,968,560.03
  5. Step 5: Solve for x
    x = 190,693,968,560.03/494,376.80
  6. Step 6: Final answer
    x = 385,725.97

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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.