Home / 389,515.74-582,736.32-295,018.20

Finding the Fourth Proportional to 389,515.74, 582,736.32 and 295,018.20

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Solution

The fourth proportional to 389,515.74, 582,736.32 and 295,018.20 is: 441,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,515.74 : 582,736.32 = 295,018.20 : x
  2. Step 2: Convert to fraction form
    389,515.74/582,736.32 = 295,018.20/x
  3. Step 3: Cross multiply
    389,515.74x = 582,736.32 × 295,018.20
  4. Step 4: Simplify right side
    389,515.74x = 171,917,820,201.02
  5. Step 5: Solve for x
    x = 171,917,820,201.02/389,515.74
  6. Step 6: Final answer
    x = 441,362.96

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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.