Home / 414,839.52-621,734.40-265,021.92

Finding the Fourth Proportional to 414,839.52, 621,734.40 and 265,021.92

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Solution

The fourth proportional to 414,839.52, 621,734.40 and 265,021.92 is: 397,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,839.52 : 621,734.40 = 265,021.92 : x
  2. Step 2: Convert to fraction form
    414,839.52/621,734.40 = 265,021.92/x
  3. Step 3: Cross multiply
    414,839.52x = 621,734.40 × 265,021.92
  4. Step 4: Simplify right side
    414,839.52x = 164,773,244,418.05
  5. Step 5: Solve for x
    x = 164,773,244,418.05/414,839.52
  6. Step 6: Final answer
    x = 397,197.56

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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.