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Finding the Fourth Proportional to 647,455.20, 971,182.80 and 608,056.80

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Solution

The fourth proportional to 647,455.20, 971,182.80 and 608,056.80 is: 912,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,455.20 : 971,182.80 = 608,056.80 : x
  2. Step 2: Convert to fraction form
    647,455.20/971,182.80 = 608,056.80/x
  3. Step 3: Cross multiply
    647,455.20x = 971,182.80 × 608,056.80
  4. Step 4: Simplify right side
    647,455.20x = 590,534,305,583.04
  5. Step 5: Solve for x
    x = 590,534,305,583.04/647,455.20
  6. Step 6: Final answer
    x = 912,085.20

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