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Finding the Fourth Proportional to 483,215.94, 666,990.98 and 340,393.91

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Solution

The fourth proportional to 483,215.94, 666,990.98 and 340,393.91 is: 469,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.94 : 666,990.98 = 340,393.91 : x
  2. Step 2: Convert to fraction form
    483,215.94/666,990.98 = 340,393.91/x
  3. Step 3: Cross multiply
    483,215.94x = 666,990.98 × 340,393.91
  4. Step 4: Simplify right side
    483,215.94x = 227,039,662,580.01
  5. Step 5: Solve for x
    x = 227,039,662,580.01/483,215.94
  6. Step 6: Final answer
    x = 469,851.35

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