Home / 724,028.65-1,086,218.55-218,559.43

Finding the Fourth Proportional to 724,028.65, 1,086,218.55 and 218,559.43

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Solution

The fourth proportional to 724,028.65, 1,086,218.55 and 218,559.43 is: 327,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,028.65 : 1,086,218.55 = 218,559.43 : x
  2. Step 2: Convert to fraction form
    724,028.65/1,086,218.55 = 218,559.43/x
  3. Step 3: Cross multiply
    724,028.65x = 1,086,218.55 × 218,559.43
  4. Step 4: Simplify right side
    724,028.65x = 237,403,301,712.33
  5. Step 5: Solve for x
    x = 237,403,301,712.33/724,028.65
  6. Step 6: Final answer
    x = 327,892.14

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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.