Home / 839,396.70-1,259,340.22-270,765.18

Finding the Fourth Proportional to 839,396.70, 1,259,340.22 and 270,765.18

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Solution

The fourth proportional to 839,396.70, 1,259,340.22 and 270,765.18 is: 406,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,396.70 : 1,259,340.22 = 270,765.18 : x
  2. Step 2: Convert to fraction form
    839,396.70/1,259,340.22 = 270,765.18/x
  3. Step 3: Cross multiply
    839,396.70x = 1,259,340.22 × 270,765.18
  4. Step 4: Simplify right side
    839,396.70x = 340,985,481,349.54
  5. Step 5: Solve for x
    x = 340,985,481,349.54/839,396.70
  6. Step 6: Final answer
    x = 406,226.85

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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.