Home / 494,734.24-682,410.48-313,257.04

Finding the Fourth Proportional to 494,734.24, 682,410.48 and 313,257.04

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Solution

The fourth proportional to 494,734.24, 682,410.48 and 313,257.04 is: 432,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,734.24 : 682,410.48 = 313,257.04 : x
  2. Step 2: Convert to fraction form
    494,734.24/682,410.48 = 313,257.04/x
  3. Step 3: Cross multiply
    494,734.24x = 682,410.48 × 313,257.04
  4. Step 4: Simplify right side
    494,734.24x = 213,769,887,029.78
  5. Step 5: Solve for x
    x = 213,769,887,029.78/494,734.24
  6. Step 6: Final answer
    x = 432,090.34

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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.