Home / 809,509.20-1,214,246.84-269,804.54

Finding the Fourth Proportional to 809,509.20, 1,214,246.84 and 269,804.54

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Solution

The fourth proportional to 809,509.20, 1,214,246.84 and 269,804.54 is: 404,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,509.20 : 1,214,246.84 = 269,804.54 : x
  2. Step 2: Convert to fraction form
    809,509.20/1,214,246.84 = 269,804.54/x
  3. Step 3: Cross multiply
    809,509.20x = 1,214,246.84 × 269,804.54
  4. Step 4: Simplify right side
    809,509.20x = 327,609,311,799.25
  5. Step 5: Solve for x
    x = 327,609,311,799.25/809,509.20
  6. Step 6: Final answer
    x = 404,701.16

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1.5x scale

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.