Home / 839,398.77-1,259,343.33-270,767.26

Finding the Fourth Proportional to 839,398.77, 1,259,343.33 and 270,767.26

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Solution

The fourth proportional to 839,398.77, 1,259,343.33 and 270,767.26 is: 406,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,398.77 : 1,259,343.33 = 270,767.26 : x
  2. Step 2: Convert to fraction form
    839,398.77/1,259,343.33 = 270,767.26/x
  3. Step 3: Cross multiply
    839,398.77x = 1,259,343.33 × 270,767.26
  4. Step 4: Simplify right side
    839,398.77x = 340,988,942,863.38
  5. Step 5: Solve for x
    x = 340,988,942,863.38/839,398.77
  6. Step 6: Final answer
    x = 406,229.98

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Double scale
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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.