Home / 889,687.18-1,227,768.98-481,789.47

Finding the Fourth Proportional to 889,687.18, 1,227,768.98 and 481,789.47

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Solution

The fourth proportional to 889,687.18, 1,227,768.98 and 481,789.47 is: 664,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,687.18 : 1,227,768.98 = 481,789.47 : x
  2. Step 2: Convert to fraction form
    889,687.18/1,227,768.98 = 481,789.47/x
  3. Step 3: Cross multiply
    889,687.18x = 1,227,768.98 × 481,789.47
  4. Step 4: Simplify right side
    889,687.18x = 591,526,162,212.98
  5. Step 5: Solve for x
    x = 591,526,162,212.98/889,687.18
  6. Step 6: Final answer
    x = 664,869.83

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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.