Home / 821,233.93-1,231,853.75-252,611.17

Finding the Fourth Proportional to 821,233.93, 1,231,853.75 and 252,611.17

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Solution

The fourth proportional to 821,233.93, 1,231,853.75 and 252,611.17 is: 378,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,233.93 : 1,231,853.75 = 252,611.17 : x
  2. Step 2: Convert to fraction form
    821,233.93/1,231,853.75 = 252,611.17/x
  3. Step 3: Cross multiply
    821,233.93x = 1,231,853.75 × 252,611.17
  4. Step 4: Simplify right side
    821,233.93x = 311,180,017,056.39
  5. Step 5: Solve for x
    x = 311,180,017,056.39/821,233.93
  6. Step 6: Final answer
    x = 378,917.63

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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.