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Finding the Fourth Proportional to 465,616.80, 697,258.80 and 306,986.40

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Solution

The fourth proportional to 465,616.80, 697,258.80 and 306,986.40 is: 459,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,616.80 : 697,258.80 = 306,986.40 : x
  2. Step 2: Convert to fraction form
    465,616.80/697,258.80 = 306,986.40/x
  3. Step 3: Cross multiply
    465,616.80x = 697,258.80 × 306,986.40
  4. Step 4: Simplify right side
    465,616.80x = 214,048,968,880.32
  5. Step 5: Solve for x
    x = 214,048,968,880.32/465,616.80
  6. Step 6: Final answer
    x = 459,710.58

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