Home / 724,028.02-1,086,217.62-218,558.80

Finding the Fourth Proportional to 724,028.02, 1,086,217.62 and 218,558.80

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Solution

The fourth proportional to 724,028.02, 1,086,217.62 and 218,558.80 is: 327,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,028.02 : 1,086,217.62 = 218,558.80 : x
  2. Step 2: Convert to fraction form
    724,028.02/1,086,217.62 = 218,558.80/x
  3. Step 3: Cross multiply
    724,028.02x = 1,086,217.62 × 218,558.80
  4. Step 4: Simplify right side
    724,028.02x = 237,402,420,104.23
  5. Step 5: Solve for x
    x = 237,402,420,104.23/724,028.02
  6. Step 6: Final answer
    x = 327,891.21

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Similar ratio
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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.