Home / 774,928.68-1,162,371.53-206,314.66

Finding the Fourth Proportional to 774,928.68, 1,162,371.53 and 206,314.66

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Solution

The fourth proportional to 774,928.68, 1,162,371.53 and 206,314.66 is: 309,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,928.68 : 1,162,371.53 = 206,314.66 : x
  2. Step 2: Convert to fraction form
    774,928.68/1,162,371.53 = 206,314.66/x
  3. Step 3: Cross multiply
    774,928.68x = 1,162,371.53 × 206,314.66
  4. Step 4: Simplify right side
    774,928.68x = 239,814,288,183.65
  5. Step 5: Solve for x
    x = 239,814,288,183.65/774,928.68
  6. Step 6: Final answer
    x = 309,466.27

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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.