Home / 809,707.80-1,213,232.22-276,938.16

Finding the Fourth Proportional to 809,707.80, 1,213,232.22 and 276,938.16

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Solution

The fourth proportional to 809,707.80, 1,213,232.22 and 276,938.16 is: 414,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,707.80 : 1,213,232.22 = 276,938.16 : x
  2. Step 2: Convert to fraction form
    809,707.80/1,213,232.22 = 276,938.16/x
  3. Step 3: Cross multiply
    809,707.80x = 1,213,232.22 × 276,938.16
  4. Step 4: Simplify right side
    809,707.80x = 335,990,298,659.52
  5. Step 5: Solve for x
    x = 335,990,298,659.52/809,707.80
  6. Step 6: Final answer
    x = 414,952.53

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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.