Home / 889,871.24-1,228,014.87-481,963.61

Finding the Fourth Proportional to 889,871.24, 1,228,014.87 and 481,963.61

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Solution

The fourth proportional to 889,871.24, 1,228,014.87 and 481,963.61 is: 665,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,871.24 : 1,228,014.87 = 481,963.61 : x
  2. Step 2: Convert to fraction form
    889,871.24/1,228,014.87 = 481,963.61/x
  3. Step 3: Cross multiply
    889,871.24x = 1,228,014.87 × 481,963.61
  4. Step 4: Simplify right side
    889,871.24x = 591,858,479,878.88
  5. Step 5: Solve for x
    x = 591,858,479,878.88/889,871.24
  6. Step 6: Final answer
    x = 665,105.75

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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.