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Finding the Fourth Proportional to 484,409.40, 726,095.70 and 218,124.60

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Solution

The fourth proportional to 484,409.40, 726,095.70 and 218,124.60 is: 326,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,409.40 : 726,095.70 = 218,124.60 : x
  2. Step 2: Convert to fraction form
    484,409.40/726,095.70 = 218,124.60/x
  3. Step 3: Cross multiply
    484,409.40x = 726,095.70 × 218,124.60
  4. Step 4: Simplify right side
    484,409.40x = 158,379,334,124.22
  5. Step 5: Solve for x
    x = 158,379,334,124.22/484,409.40
  6. Step 6: Final answer
    x = 326,953.47

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