Home / 724,114.26-1,086,179.37-218,679.54

Finding the Fourth Proportional to 724,114.26, 1,086,179.37 and 218,679.54

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Solution

The fourth proportional to 724,114.26, 1,086,179.37 and 218,679.54 is: 328,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,114.26 : 1,086,179.37 = 218,679.54 : x
  2. Step 2: Convert to fraction form
    724,114.26/1,086,179.37 = 218,679.54/x
  3. Step 3: Cross multiply
    724,114.26x = 1,086,179.37 × 218,679.54
  4. Step 4: Simplify right side
    724,114.26x = 237,525,204,989.09
  5. Step 5: Solve for x
    x = 237,525,204,989.09/724,114.26
  6. Step 6: Final answer
    x = 328,021.72

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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.