Home / 839,613.21-1,259,544.96-270,807.31

Finding the Fourth Proportional to 839,613.21, 1,259,544.96 and 270,807.31

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Solution

The fourth proportional to 839,613.21, 1,259,544.96 and 270,807.31 is: 406,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,613.21 : 1,259,544.96 = 270,807.31 : x
  2. Step 2: Convert to fraction form
    839,613.21/1,259,544.96 = 270,807.31/x
  3. Step 3: Cross multiply
    839,613.21x = 1,259,544.96 × 270,807.31
  4. Step 4: Simplify right side
    839,613.21x = 341,093,982,441.66
  5. Step 5: Solve for x
    x = 341,093,982,441.66/839,613.21
  6. Step 6: Final answer
    x = 406,251.33

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Double scale
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Similar ratio
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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.