Home / 757,087.82-1,136,164.36-684,729.80

Finding the Fourth Proportional to 757,087.82, 1,136,164.36 and 684,729.80

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Solution

The fourth proportional to 757,087.82, 1,136,164.36 and 684,729.80 is: 1,027,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,087.82 : 1,136,164.36 = 684,729.80 : x
  2. Step 2: Convert to fraction form
    757,087.82/1,136,164.36 = 684,729.80/x
  3. Step 3: Cross multiply
    757,087.82x = 1,136,164.36 × 684,729.80
  4. Step 4: Simplify right side
    757,087.82x = 777,965,594,989.93
  5. Step 5: Solve for x
    x = 777,965,594,989.93/757,087.82
  6. Step 6: Final answer
    x = 1,027,576.42

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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.