Home / 681,478.83-1,022,021.37-232,189.74

Finding the Fourth Proportional to 681,478.83, 1,022,021.37 and 232,189.74

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Solution

The fourth proportional to 681,478.83, 1,022,021.37 and 232,189.74 is: 348,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,478.83 : 1,022,021.37 = 232,189.74 : x
  2. Step 2: Convert to fraction form
    681,478.83/1,022,021.37 = 232,189.74/x
  3. Step 3: Cross multiply
    681,478.83x = 1,022,021.37 × 232,189.74
  4. Step 4: Simplify right side
    681,478.83x = 237,302,876,174.74
  5. Step 5: Solve for x
    x = 237,302,876,174.74/681,478.83
  6. Step 6: Final answer
    x = 348,217.53

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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.