Home / 418,443.16-577,921.98-324,091.48

Finding the Fourth Proportional to 418,443.16, 577,921.98 and 324,091.48

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Solution

The fourth proportional to 418,443.16, 577,921.98 and 324,091.48 is: 447,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,443.16 : 577,921.98 = 324,091.48 : x
  2. Step 2: Convert to fraction form
    418,443.16/577,921.98 = 324,091.48/x
  3. Step 3: Cross multiply
    418,443.16x = 577,921.98 × 324,091.48
  4. Step 4: Simplify right side
    418,443.16x = 187,299,589,822.73
  5. Step 5: Solve for x
    x = 187,299,589,822.73/418,443.16
  6. Step 6: Final answer
    x = 447,610.59

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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.