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Finding the Fourth Proportional to 492,075.28, 679,065.96 and 277,217.92

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Solution

The fourth proportional to 492,075.28, 679,065.96 and 277,217.92 is: 382,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,075.28 : 679,065.96 = 277,217.92 : x
  2. Step 2: Convert to fraction form
    492,075.28/679,065.96 = 277,217.92/x
  3. Step 3: Cross multiply
    492,075.28x = 679,065.96 × 277,217.92
  4. Step 4: Simplify right side
    492,075.28x = 188,249,252,974.00
  5. Step 5: Solve for x
    x = 188,249,252,974.00/492,075.28
  6. Step 6: Final answer
    x = 382,561.90

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