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Finding the Fourth Proportional to 558,335.08, 770,496.60 and 303,686.20

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Solution

The fourth proportional to 558,335.08, 770,496.60 and 303,686.20 is: 419,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,335.08 : 770,496.60 = 303,686.20 : x
  2. Step 2: Convert to fraction form
    558,335.08/770,496.60 = 303,686.20/x
  3. Step 3: Cross multiply
    558,335.08x = 770,496.60 × 303,686.20
  4. Step 4: Simplify right side
    558,335.08x = 233,989,184,566.92
  5. Step 5: Solve for x
    x = 233,989,184,566.92/558,335.08
  6. Step 6: Final answer
    x = 419,083.80

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