Home / 889,870.24-1,228,013.49-481,962.61

Finding the Fourth Proportional to 889,870.24, 1,228,013.49 and 481,962.61

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Solution

The fourth proportional to 889,870.24, 1,228,013.49 and 481,962.61 is: 665,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,870.24 : 1,228,013.49 = 481,962.61 : x
  2. Step 2: Convert to fraction form
    889,870.24/1,228,013.49 = 481,962.61/x
  3. Step 3: Cross multiply
    889,870.24x = 1,228,013.49 × 481,962.61
  4. Step 4: Simplify right side
    889,870.24x = 591,856,586,755.61
  5. Step 5: Solve for x
    x = 591,856,586,755.61/889,870.24
  6. Step 6: Final answer
    x = 665,104.37

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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.