Home / 707,761.44-1,061,642.16-209,086.56

Finding the Fourth Proportional to 707,761.44, 1,061,642.16 and 209,086.56

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Solution

The fourth proportional to 707,761.44, 1,061,642.16 and 209,086.56 is: 313,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,761.44 : 1,061,642.16 = 209,086.56 : x
  2. Step 2: Convert to fraction form
    707,761.44/1,061,642.16 = 209,086.56/x
  3. Step 3: Cross multiply
    707,761.44x = 1,061,642.16 × 209,086.56
  4. Step 4: Simplify right side
    707,761.44x = 221,975,107,185.37
  5. Step 5: Solve for x
    x = 221,975,107,185.37/707,761.44
  6. Step 6: Final answer
    x = 313,629.84

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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.