Home / 726,845.58-1,090,323.72-221,449.70

Finding the Fourth Proportional to 726,845.58, 1,090,323.72 and 221,449.70

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Solution

The fourth proportional to 726,845.58, 1,090,323.72 and 221,449.70 is: 332,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,845.58 : 1,090,323.72 = 221,449.70 : x
  2. Step 2: Convert to fraction form
    726,845.58/1,090,323.72 = 221,449.70/x
  3. Step 3: Cross multiply
    726,845.58x = 1,090,323.72 × 221,449.70
  4. Step 4: Simplify right side
    726,845.58x = 241,451,858,223.85
  5. Step 5: Solve for x
    x = 241,451,858,223.85/726,845.58
  6. Step 6: Final answer
    x = 332,191.41

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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.