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Finding the Fourth Proportional to 480,336.60, 720,503.88 and 451,107.32

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Solution

The fourth proportional to 480,336.60, 720,503.88 and 451,107.32 is: 676,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,336.60 : 720,503.88 = 451,107.32 : x
  2. Step 2: Convert to fraction form
    480,336.60/720,503.88 = 451,107.32/x
  3. Step 3: Cross multiply
    480,336.60x = 720,503.88 × 451,107.32
  4. Step 4: Simplify right side
    480,336.60x = 325,024,574,356.40
  5. Step 5: Solve for x
    x = 325,024,574,356.40/480,336.60
  6. Step 6: Final answer
    x = 676,660.02

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