Home / 733,619.70-1,100,976.30-378,450.90

Finding the Fourth Proportional to 733,619.70, 1,100,976.30 and 378,450.90

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Solution

The fourth proportional to 733,619.70, 1,100,976.30 and 378,450.90 is: 567,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,619.70 : 1,100,976.30 = 378,450.90 : x
  2. Step 2: Convert to fraction form
    733,619.70/1,100,976.30 = 378,450.90/x
  3. Step 3: Cross multiply
    733,619.70x = 1,100,976.30 × 378,450.90
  4. Step 4: Simplify right side
    733,619.70x = 416,665,471,613.67
  5. Step 5: Solve for x
    x = 416,665,471,613.67/733,619.70
  6. Step 6: Final answer
    x = 567,958.40

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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.