Home / 889,147.85-1,227,023.94-481,249.62

Finding the Fourth Proportional to 889,147.85, 1,227,023.94 and 481,249.62

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Solution

The fourth proportional to 889,147.85, 1,227,023.94 and 481,249.62 is: 664,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,147.85 : 1,227,023.94 = 481,249.62 : x
  2. Step 2: Convert to fraction form
    889,147.85/1,227,023.94 = 481,249.62/x
  3. Step 3: Cross multiply
    889,147.85x = 1,227,023.94 × 481,249.62
  4. Step 4: Simplify right side
    889,147.85x = 590,504,804,855.90
  5. Step 5: Solve for x
    x = 590,504,804,855.90/889,147.85
  6. Step 6: Final answer
    x = 664,124.43

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Double scale
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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.