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Finding the Fourth Proportional to 573,305.20, 859,957.80 and 384,348.40

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Solution

The fourth proportional to 573,305.20, 859,957.80 and 384,348.40 is: 576,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,305.20 : 859,957.80 = 384,348.40 : x
  2. Step 2: Convert to fraction form
    573,305.20/859,957.80 = 384,348.40/x
  3. Step 3: Cross multiply
    573,305.20x = 859,957.80 × 384,348.40
  4. Step 4: Simplify right side
    573,305.20x = 330,523,404,497.52
  5. Step 5: Solve for x
    x = 330,523,404,497.52/573,305.20
  6. Step 6: Final answer
    x = 576,522.60

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