Home / 774,929.43-1,162,372.66-206,315.41

Finding the Fourth Proportional to 774,929.43, 1,162,372.66 and 206,315.41

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Solution

The fourth proportional to 774,929.43, 1,162,372.66 and 206,315.41 is: 309,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,929.43 : 1,162,372.66 = 206,315.41 : x
  2. Step 2: Convert to fraction form
    774,929.43/1,162,372.66 = 206,315.41/x
  3. Step 3: Cross multiply
    774,929.43x = 1,162,372.66 × 206,315.41
  4. Step 4: Simplify right side
    774,929.43x = 239,815,388,498.97
  5. Step 5: Solve for x
    x = 239,815,388,498.97/774,929.43
  6. Step 6: Final answer
    x = 309,467.39

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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.