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Finding the Fourth Proportional to 558,054.62, 770,111.55 and 303,405.81

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Solution

The fourth proportional to 558,054.62, 770,111.55 and 303,405.81 is: 418,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,054.62 : 770,111.55 = 303,405.81 : x
  2. Step 2: Convert to fraction form
    558,054.62/770,111.55 = 303,405.81/x
  3. Step 3: Cross multiply
    558,054.62x = 770,111.55 × 303,405.81
  4. Step 4: Simplify right side
    558,054.62x = 233,656,315,730.19
  5. Step 5: Solve for x
    x = 233,656,315,730.19/558,054.62
  6. Step 6: Final answer
    x = 418,697.93

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