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Finding the Fourth Proportional to 368,466.80, 552,700.20 and 306,258.80

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Solution

The fourth proportional to 368,466.80, 552,700.20 and 306,258.80 is: 459,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,466.80 : 552,700.20 = 306,258.80 : x
  2. Step 2: Convert to fraction form
    368,466.80/552,700.20 = 306,258.80/x
  3. Step 3: Cross multiply
    368,466.80x = 552,700.20 × 306,258.80
  4. Step 4: Simplify right side
    368,466.80x = 169,269,300,011.76
  5. Step 5: Solve for x
    x = 169,269,300,011.76/368,466.80
  6. Step 6: Final answer
    x = 459,388.20

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