Home / 389,512.74-582,731.82-295,015.20

Finding the Fourth Proportional to 389,512.74, 582,731.82 and 295,015.20

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Solution

The fourth proportional to 389,512.74, 582,731.82 and 295,015.20 is: 441,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,512.74 : 582,731.82 = 295,015.20 : x
  2. Step 2: Convert to fraction form
    389,512.74/582,731.82 = 295,015.20/x
  3. Step 3: Cross multiply
    389,512.74x = 582,731.82 × 295,015.20
  4. Step 4: Simplify right side
    389,512.74x = 171,914,744,423.66
  5. Step 5: Solve for x
    x = 171,914,744,423.66/389,512.74
  6. Step 6: Final answer
    x = 441,358.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.