Home / 677,449.57-1,016,175.12-228,132.81

Finding the Fourth Proportional to 677,449.57, 1,016,175.12 and 228,132.81

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Solution

The fourth proportional to 677,449.57, 1,016,175.12 and 228,132.81 is: 342,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,449.57 : 1,016,175.12 = 228,132.81 : x
  2. Step 2: Convert to fraction form
    677,449.57/1,016,175.12 = 228,132.81/x
  3. Step 3: Cross multiply
    677,449.57x = 1,016,175.12 × 228,132.81
  4. Step 4: Simplify right side
    677,449.57x = 231,822,885,577.69
  5. Step 5: Solve for x
    x = 231,822,885,577.69/677,449.57
  6. Step 6: Final answer
    x = 342,199.47

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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.