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Finding the Fourth Proportional to 551,422.80, 825,751.80 and 440,830.80

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Solution

The fourth proportional to 551,422.80, 825,751.80 and 440,830.80 is: 660,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,422.80 : 825,751.80 = 440,830.80 : x
  2. Step 2: Convert to fraction form
    551,422.80/825,751.80 = 440,830.80/x
  3. Step 3: Cross multiply
    551,422.80x = 825,751.80 × 440,830.80
  4. Step 4: Simplify right side
    551,422.80x = 364,016,826,595.44
  5. Step 5: Solve for x
    x = 364,016,826,595.44/551,422.80
  6. Step 6: Final answer
    x = 660,141.05

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