Home / 738,619.68-1,107,710.82-206,012.28

Finding the Fourth Proportional to 738,619.68, 1,107,710.82 and 206,012.28

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Solution

The fourth proportional to 738,619.68, 1,107,710.82 and 206,012.28 is: 308,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,619.68 : 1,107,710.82 = 206,012.28 : x
  2. Step 2: Convert to fraction form
    738,619.68/1,107,710.82 = 206,012.28/x
  3. Step 3: Cross multiply
    738,619.68x = 1,107,710.82 × 206,012.28
  4. Step 4: Simplify right side
    738,619.68x = 228,202,031,608.87
  5. Step 5: Solve for x
    x = 228,202,031,608.87/738,619.68
  6. Step 6: Final answer
    x = 308,957.42

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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.