Home / 889,713.38-1,227,805.63-481,815.88

Finding the Fourth Proportional to 889,713.38, 1,227,805.63 and 481,815.88

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Solution

The fourth proportional to 889,713.38, 1,227,805.63 and 481,815.88 is: 664,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,713.38 : 1,227,805.63 = 481,815.88 : x
  2. Step 2: Convert to fraction form
    889,713.38/1,227,805.63 = 481,815.88/x
  3. Step 3: Cross multiply
    889,713.38x = 1,227,805.63 × 481,815.88
  4. Step 4: Simplify right side
    889,713.38x = 591,576,245,813.35
  5. Step 5: Solve for x
    x = 591,576,245,813.35/889,713.38
  6. Step 6: Final answer
    x = 664,906.54

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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.