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Finding the Fourth Proportional to 573,786.80, 860,680.20 and 415,271.60

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Solution

The fourth proportional to 573,786.80, 860,680.20 and 415,271.60 is: 622,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,786.80 : 860,680.20 = 415,271.60 : x
  2. Step 2: Convert to fraction form
    573,786.80/860,680.20 = 415,271.60/x
  3. Step 3: Cross multiply
    573,786.80x = 860,680.20 × 415,271.60
  4. Step 4: Simplify right side
    573,786.80x = 357,416,043,742.32
  5. Step 5: Solve for x
    x = 357,416,043,742.32/573,786.80
  6. Step 6: Final answer
    x = 622,907.40

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