Home / 420,845.44-580,757.32-229,859.52

Finding the Fourth Proportional to 420,845.44, 580,757.32 and 229,859.52

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Solution

The fourth proportional to 420,845.44, 580,757.32 and 229,859.52 is: 317,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,845.44 : 580,757.32 = 229,859.52 : x
  2. Step 2: Convert to fraction form
    420,845.44/580,757.32 = 229,859.52/x
  3. Step 3: Cross multiply
    420,845.44x = 580,757.32 × 229,859.52
  4. Step 4: Simplify right side
    420,845.44x = 133,492,598,811.69
  5. Step 5: Solve for x
    x = 133,492,598,811.69/420,845.44
  6. Step 6: Final answer
    x = 317,201.01

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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.