Home / 724,024.05-1,086,211.67-218,554.81

Finding the Fourth Proportional to 724,024.05, 1,086,211.67 and 218,554.81

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Solution

The fourth proportional to 724,024.05, 1,086,211.67 and 218,554.81 is: 327,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,024.05 : 1,086,211.67 = 218,554.81 : x
  2. Step 2: Convert to fraction form
    724,024.05/1,086,211.67 = 218,554.81/x
  3. Step 3: Cross multiply
    724,024.05x = 1,086,211.67 × 218,554.81
  4. Step 4: Simplify right side
    724,024.05x = 237,396,786,695.68
  5. Step 5: Solve for x
    x = 237,396,786,695.68/724,024.05
  6. Step 6: Final answer
    x = 327,885.22

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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.