Home / 839,857.97-1,259,416.33-240,683.15

Finding the Fourth Proportional to 839,857.97, 1,259,416.33 and 240,683.15

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Solution

The fourth proportional to 839,857.97, 1,259,416.33 and 240,683.15 is: 360,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,857.97 : 1,259,416.33 = 240,683.15 : x
  2. Step 2: Convert to fraction form
    839,857.97/1,259,416.33 = 240,683.15/x
  3. Step 3: Cross multiply
    839,857.97x = 1,259,416.33 × 240,683.15
  4. Step 4: Simplify right side
    839,857.97x = 303,120,282,567.05
  5. Step 5: Solve for x
    x = 303,120,282,567.05/839,857.97
  6. Step 6: Final answer
    x = 360,918.51

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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.