Home / 889,872.74-1,228,016.94-481,965.11

Finding the Fourth Proportional to 889,872.74, 1,228,016.94 and 481,965.11

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Solution

The fourth proportional to 889,872.74, 1,228,016.94 and 481,965.11 is: 665,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,872.74 : 1,228,016.94 = 481,965.11 : x
  2. Step 2: Convert to fraction form
    889,872.74/1,228,016.94 = 481,965.11/x
  3. Step 3: Cross multiply
    889,872.74x = 1,228,016.94 × 481,965.11
  4. Step 4: Simplify right side
    889,872.74x = 591,861,319,568.96
  5. Step 5: Solve for x
    x = 591,861,319,568.96/889,872.74
  6. Step 6: Final answer
    x = 665,107.82

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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.