Home / 414,821.08-622,425.33-215,032.49

Finding the Fourth Proportional to 414,821.08, 622,425.33 and 215,032.49

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Solution

The fourth proportional to 414,821.08, 622,425.33 and 215,032.49 is: 322,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,821.08 : 622,425.33 = 215,032.49 : x
  2. Step 2: Convert to fraction form
    414,821.08/622,425.33 = 215,032.49/x
  3. Step 3: Cross multiply
    414,821.08x = 622,425.33 × 215,032.49
  4. Step 4: Simplify right side
    414,821.08x = 133,841,667,770.94
  5. Step 5: Solve for x
    x = 133,841,667,770.94/414,821.08
  6. Step 6: Final answer
    x = 322,649.15

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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.