Home / 677,980.96-1,016,942.27-204,652.20

Finding the Fourth Proportional to 677,980.96, 1,016,942.27 and 204,652.20

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Solution

The fourth proportional to 677,980.96, 1,016,942.27 and 204,652.20 is: 306,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,980.96 : 1,016,942.27 = 204,652.20 : x
  2. Step 2: Convert to fraction form
    677,980.96/1,016,942.27 = 204,652.20/x
  3. Step 3: Cross multiply
    677,980.96x = 1,016,942.27 × 204,652.20
  4. Step 4: Simplify right side
    677,980.96x = 208,119,467,613.90
  5. Step 5: Solve for x
    x = 208,119,467,613.90/677,980.96
  6. Step 6: Final answer
    x = 306,969.49

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Double scale
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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.