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Finding the Fourth Proportional to 433,720.40, 650,802.96 and 209,272.23

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Solution

The fourth proportional to 433,720.40, 650,802.96 and 209,272.23 is: 314,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,720.40 : 650,802.96 = 209,272.23 : x
  2. Step 2: Convert to fraction form
    433,720.40/650,802.96 = 209,272.23/x
  3. Step 3: Cross multiply
    433,720.40x = 650,802.96 × 209,272.23
  4. Step 4: Simplify right side
    433,720.40x = 136,194,986,729.80
  5. Step 5: Solve for x
    x = 136,194,986,729.80/433,720.40
  6. Step 6: Final answer
    x = 314,015.64

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