Home / 826,113.44-1,239,244.08-320,662.56

Finding the Fourth Proportional to 826,113.44, 1,239,244.08 and 320,662.56

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Solution

The fourth proportional to 826,113.44, 1,239,244.08 and 320,662.56 is: 481,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,113.44 : 1,239,244.08 = 320,662.56 : x
  2. Step 2: Convert to fraction form
    826,113.44/1,239,244.08 = 320,662.56/x
  3. Step 3: Cross multiply
    826,113.44x = 1,239,244.08 × 320,662.56
  4. Step 4: Simplify right side
    826,113.44x = 397,379,179,157.65
  5. Step 5: Solve for x
    x = 397,379,179,157.65/826,113.44
  6. Step 6: Final answer
    x = 481,022.53

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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.