Home / 494,357.15-682,112.26-290,441.27

Finding the Fourth Proportional to 494,357.15, 682,112.26 and 290,441.27

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Solution

The fourth proportional to 494,357.15, 682,112.26 and 290,441.27 is: 400,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,357.15 : 682,112.26 = 290,441.27 : x
  2. Step 2: Convert to fraction form
    494,357.15/682,112.26 = 290,441.27/x
  3. Step 3: Cross multiply
    494,357.15x = 682,112.26 × 290,441.27
  4. Step 4: Simplify right side
    494,357.15x = 198,113,551,076.97
  5. Step 5: Solve for x
    x = 198,113,551,076.97/494,357.15
  6. Step 6: Final answer
    x = 400,749.84

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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.