Home / 724,349.46-1,086,688.22-387,212.48

Finding the Fourth Proportional to 724,349.46, 1,086,688.22 and 387,212.48

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Solution

The fourth proportional to 724,349.46, 1,086,688.22 and 387,212.48 is: 580,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,349.46 : 1,086,688.22 = 387,212.48 : x
  2. Step 2: Convert to fraction form
    724,349.46/1,086,688.22 = 387,212.48/x
  3. Step 3: Cross multiply
    724,349.46x = 1,086,688.22 × 387,212.48
  4. Step 4: Simplify right side
    724,349.46x = 420,779,233,283.48
  5. Step 5: Solve for x
    x = 420,779,233,283.48/724,349.46
  6. Step 6: Final answer
    x = 580,906.39

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