Home / 724,099.77-1,086,157.62-218,665.04

Finding the Fourth Proportional to 724,099.77, 1,086,157.62 and 218,665.04

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Solution

The fourth proportional to 724,099.77, 1,086,157.62 and 218,665.04 is: 327,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,099.77 : 1,086,157.62 = 218,665.04 : x
  2. Step 2: Convert to fraction form
    724,099.77/1,086,157.62 = 218,665.04/x
  3. Step 3: Cross multiply
    724,099.77x = 1,086,157.62 × 218,665.04
  4. Step 4: Simplify right side
    724,099.77x = 237,504,693,992.82
  5. Step 5: Solve for x
    x = 237,504,693,992.82/724,099.77
  6. Step 6: Final answer
    x = 327,999.96

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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.