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Finding the Fourth Proportional to 369,076.80, 553,615.20 and 336,417.60

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Solution

The fourth proportional to 369,076.80, 553,615.20 and 336,417.60 is: 504,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.80 : 553,615.20 = 336,417.60 : x
  2. Step 2: Convert to fraction form
    369,076.80/553,615.20 = 336,417.60/x
  3. Step 3: Cross multiply
    369,076.80x = 553,615.20 × 336,417.60
  4. Step 4: Simplify right side
    369,076.80x = 186,245,896,907.52
  5. Step 5: Solve for x
    x = 186,245,896,907.52/369,076.80
  6. Step 6: Final answer
    x = 504,626.40

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