Home / 809,808.46-1,214,588.08-270,074.23

Finding the Fourth Proportional to 809,808.46, 1,214,588.08 and 270,074.23

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Solution

The fourth proportional to 809,808.46, 1,214,588.08 and 270,074.23 is: 405,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,808.46 : 1,214,588.08 = 270,074.23 : x
  2. Step 2: Convert to fraction form
    809,808.46/1,214,588.08 = 270,074.23/x
  3. Step 3: Cross multiply
    809,808.46x = 1,214,588.08 × 270,074.23
  4. Step 4: Simplify right side
    809,808.46x = 328,028,940,473.18
  5. Step 5: Solve for x
    x = 328,028,940,473.18/809,808.46
  6. Step 6: Final answer
    x = 405,069.79

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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.