Home / 703,845.78-1,055,661.75-230,520.66

Finding the Fourth Proportional to 703,845.78, 1,055,661.75 and 230,520.66

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Solution

The fourth proportional to 703,845.78, 1,055,661.75 and 230,520.66 is: 345,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,845.78 : 1,055,661.75 = 230,520.66 : x
  2. Step 2: Convert to fraction form
    703,845.78/1,055,661.75 = 230,520.66/x
  3. Step 3: Cross multiply
    703,845.78x = 1,055,661.75 × 230,520.66
  4. Step 4: Simplify right side
    703,845.78x = 243,351,843,346.76
  5. Step 5: Solve for x
    x = 243,351,843,346.76/703,845.78
  6. Step 6: Final answer
    x = 345,745.97

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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.