Home / 835,785.20-1,253,211.24-274,772.72

Finding the Fourth Proportional to 835,785.20, 1,253,211.24 and 274,772.72

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Solution

The fourth proportional to 835,785.20, 1,253,211.24 and 274,772.72 is: 412,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,785.20 : 1,253,211.24 = 274,772.72 : x
  2. Step 2: Convert to fraction form
    835,785.20/1,253,211.24 = 274,772.72/x
  3. Step 3: Cross multiply
    835,785.20x = 1,253,211.24 × 274,772.72
  4. Step 4: Simplify right side
    835,785.20x = 344,348,261,149.37
  5. Step 5: Solve for x
    x = 344,348,261,149.37/835,785.20
  6. Step 6: Final answer
    x = 412,005.69

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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.