Home / 687,350.44-1,031,042.94-188,713

Finding the Fourth Proportional to 687,350.44, 1,031,042.94 and 188,713

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Solution

The fourth proportional to 687,350.44, 1,031,042.94 and 188,713 is: 283,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,350.44 : 1,031,042.94 = 188,713 : x
  2. Step 2: Convert to fraction form
    687,350.44/1,031,042.94 = 188,713/x
  3. Step 3: Cross multiply
    687,350.44x = 1,031,042.94 × 188,713
  4. Step 4: Simplify right side
    687,350.44x = 194,571,206,336.22
  5. Step 5: Solve for x
    x = 194,571,206,336.22/687,350.44
  6. Step 6: Final answer
    x = 283,074.24

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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.