Home / 827,148.30-1,240,722.45-228,201.90

Finding the Fourth Proportional to 827,148.30, 1,240,722.45 and 228,201.90

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Solution

The fourth proportional to 827,148.30, 1,240,722.45 and 228,201.90 is: 342,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,148.30 : 1,240,722.45 = 228,201.90 : x
  2. Step 2: Convert to fraction form
    827,148.30/1,240,722.45 = 228,201.90/x
  3. Step 3: Cross multiply
    827,148.30x = 1,240,722.45 × 228,201.90
  4. Step 4: Simplify right side
    827,148.30x = 283,135,220,462.66
  5. Step 5: Solve for x
    x = 283,135,220,462.66/827,148.30
  6. Step 6: Final answer
    x = 342,302.85

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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.