Home / 669,979.44-1,005,034.77-220,516.92

Finding the Fourth Proportional to 669,979.44, 1,005,034.77 and 220,516.92

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Solution

The fourth proportional to 669,979.44, 1,005,034.77 and 220,516.92 is: 330,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,979.44 : 1,005,034.77 = 220,516.92 : x
  2. Step 2: Convert to fraction form
    669,979.44/1,005,034.77 = 220,516.92/x
  3. Step 3: Cross multiply
    669,979.44x = 1,005,034.77 × 220,516.92
  4. Step 4: Simplify right side
    669,979.44x = 221,627,171,973.31
  5. Step 5: Solve for x
    x = 221,627,171,973.31/669,979.44
  6. Step 6: Final answer
    x = 330,796.97

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Similar ratio
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1.5x scale

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.