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Finding the Fourth Proportional to 413,508.80, 620,263.20 and 133,054.40

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Solution

The fourth proportional to 413,508.80, 620,263.20 and 133,054.40 is: 199,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,508.80 : 620,263.20 = 133,054.40 : x
  2. Step 2: Convert to fraction form
    413,508.80/620,263.20 = 133,054.40/x
  3. Step 3: Cross multiply
    413,508.80x = 620,263.20 × 133,054.40
  4. Step 4: Simplify right side
    413,508.80x = 82,528,747,918.08
  5. Step 5: Solve for x
    x = 82,528,747,918.08/413,508.80
  6. Step 6: Final answer
    x = 199,581.60

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