Home / 774,811.76-1,162,243.86-206,193.42

Finding the Fourth Proportional to 774,811.76, 1,162,243.86 and 206,193.42

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Solution

The fourth proportional to 774,811.76, 1,162,243.86 and 206,193.42 is: 309,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,811.76 : 1,162,243.86 = 206,193.42 : x
  2. Step 2: Convert to fraction form
    774,811.76/1,162,243.86 = 206,193.42/x
  3. Step 3: Cross multiply
    774,811.76x = 1,162,243.86 × 206,193.42
  4. Step 4: Simplify right side
    774,811.76x = 239,647,036,367.40
  5. Step 5: Solve for x
    x = 239,647,036,367.40/774,811.76
  6. Step 6: Final answer
    x = 309,297.11

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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.