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Finding the Fourth Proportional to 366,681.20, 550,021.80 and 303,695.60

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Solution

The fourth proportional to 366,681.20, 550,021.80 and 303,695.60 is: 455,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,681.20 : 550,021.80 = 303,695.60 : x
  2. Step 2: Convert to fraction form
    366,681.20/550,021.80 = 303,695.60/x
  3. Step 3: Cross multiply
    366,681.20x = 550,021.80 × 303,695.60
  4. Step 4: Simplify right side
    366,681.20x = 167,039,200,564.08
  5. Step 5: Solve for x
    x = 167,039,200,564.08/366,681.20
  6. Step 6: Final answer
    x = 455,543.40

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