Home / 414,979.60-621,035.80-248,886.80

Finding the Fourth Proportional to 414,979.60, 621,035.80 and 248,886.80

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Solution

The fourth proportional to 414,979.60, 621,035.80 and 248,886.80 is: 372,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,979.60 : 621,035.80 = 248,886.80 : x
  2. Step 2: Convert to fraction form
    414,979.60/621,035.80 = 248,886.80/x
  3. Step 3: Cross multiply
    414,979.60x = 621,035.80 × 248,886.80
  4. Step 4: Simplify right side
    414,979.60x = 154,567,612,947.44
  5. Step 5: Solve for x
    x = 154,567,612,947.44/414,979.60
  6. Step 6: Final answer
    x = 372,470.39

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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.