Home / 677,484.54-1,016,228.52-228,520.80

Finding the Fourth Proportional to 677,484.54, 1,016,228.52 and 228,520.80

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Solution

The fourth proportional to 677,484.54, 1,016,228.52 and 228,520.80 is: 342,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,484.54 : 1,016,228.52 = 228,520.80 : x
  2. Step 2: Convert to fraction form
    677,484.54/1,016,228.52 = 228,520.80/x
  3. Step 3: Cross multiply
    677,484.54x = 1,016,228.52 × 228,520.80
  4. Step 4: Simplify right side
    677,484.54x = 232,229,354,373.22
  5. Step 5: Solve for x
    x = 232,229,354,373.22/677,484.54
  6. Step 6: Final answer
    x = 342,781.78

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Double scale
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Similar ratio
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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.