Home / 889,540.82-1,227,566.91-481,642.95

Finding the Fourth Proportional to 889,540.82, 1,227,566.91 and 481,642.95

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Solution

The fourth proportional to 889,540.82, 1,227,566.91 and 481,642.95 is: 664,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,540.82 : 1,227,566.91 = 481,642.95 : x
  2. Step 2: Convert to fraction form
    889,540.82/1,227,566.91 = 481,642.95/x
  3. Step 3: Cross multiply
    889,540.82x = 1,227,566.91 × 481,642.95
  4. Step 4: Simplify right side
    889,540.82x = 591,248,947,854.78
  5. Step 5: Solve for x
    x = 591,248,947,854.78/889,540.82
  6. Step 6: Final answer
    x = 664,667.58

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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.