Home / 320,579.82-442,400.47-177,349.55

Finding the Fourth Proportional to 320,579.82, 442,400.47 and 177,349.55

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Solution

The fourth proportional to 320,579.82, 442,400.47 and 177,349.55 is: 244,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,579.82 : 442,400.47 = 177,349.55 : x
  2. Step 2: Convert to fraction form
    320,579.82/442,400.47 = 177,349.55/x
  3. Step 3: Cross multiply
    320,579.82x = 442,400.47 × 177,349.55
  4. Step 4: Simplify right side
    320,579.82x = 78,459,521,618.91
  5. Step 5: Solve for x
    x = 78,459,521,618.91/320,579.82
  6. Step 6: Final answer
    x = 244,742.55

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