Home / 682,076.36-1,022,702.45-271,808.78

Finding the Fourth Proportional to 682,076.36, 1,022,702.45 and 271,808.78

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Solution

The fourth proportional to 682,076.36, 1,022,702.45 and 271,808.78 is: 407,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,076.36 : 1,022,702.45 = 271,808.78 : x
  2. Step 2: Convert to fraction form
    682,076.36/1,022,702.45 = 271,808.78/x
  3. Step 3: Cross multiply
    682,076.36x = 1,022,702.45 × 271,808.78
  4. Step 4: Simplify right side
    682,076.36x = 277,979,498,764.96
  5. Step 5: Solve for x
    x = 277,979,498,764.96/682,076.36
  6. Step 6: Final answer
    x = 407,548.94

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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.