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Finding the Fourth Proportional to 492,315.68, 679,557.12 and 298,732.16

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Solution

The fourth proportional to 492,315.68, 679,557.12 and 298,732.16 is: 412,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,315.68 : 679,557.12 = 298,732.16 : x
  2. Step 2: Convert to fraction form
    492,315.68/679,557.12 = 298,732.16/x
  3. Step 3: Cross multiply
    492,315.68x = 679,557.12 × 298,732.16
  4. Step 4: Simplify right side
    492,315.68x = 203,005,566,300.98
  5. Step 5: Solve for x
    x = 203,005,566,300.98/492,315.68
  6. Step 6: Final answer
    x = 412,348.37

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