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Finding the Fourth Proportional to 366,415.40, 549,623.10 and 303,429.80

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Solution

The fourth proportional to 366,415.40, 549,623.10 and 303,429.80 is: 455,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,415.40 : 549,623.10 = 303,429.80 : x
  2. Step 2: Convert to fraction form
    366,415.40/549,623.10 = 303,429.80/x
  3. Step 3: Cross multiply
    366,415.40x = 549,623.10 × 303,429.80
  4. Step 4: Simplify right side
    366,415.40x = 166,772,027,308.38
  5. Step 5: Solve for x
    x = 166,772,027,308.38/366,415.40
  6. Step 6: Final answer
    x = 455,144.70

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