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Finding the Fourth Proportional to 400,854.40, 601,621.80 and 164,366.80

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Solution

The fourth proportional to 400,854.40, 601,621.80 and 164,366.80 is: 246,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,854.40 : 601,621.80 = 164,366.80 : x
  2. Step 2: Convert to fraction form
    400,854.40/601,621.80 = 164,366.80/x
  3. Step 3: Cross multiply
    400,854.40x = 601,621.80 × 164,366.80
  4. Step 4: Simplify right side
    400,854.40x = 98,886,650,076.24
  5. Step 5: Solve for x
    x = 98,886,650,076.24/400,854.40
  6. Step 6: Final answer
    x = 246,689.70

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