Home / 656,519.13-985,221.27-230,058.79

Finding the Fourth Proportional to 656,519.13, 985,221.27 and 230,058.79

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Solution

The fourth proportional to 656,519.13, 985,221.27 and 230,058.79 is: 345,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,519.13 : 985,221.27 = 230,058.79 : x
  2. Step 2: Convert to fraction form
    656,519.13/985,221.27 = 230,058.79/x
  3. Step 3: Cross multiply
    656,519.13x = 985,221.27 × 230,058.79
  4. Step 4: Simplify right side
    656,519.13x = 226,658,810,780.45
  5. Step 5: Solve for x
    x = 226,658,810,780.45/656,519.13
  6. Step 6: Final answer
    x = 345,243.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.