Home / 494,985.70-742,490.07-121,011.94

Finding the Fourth Proportional to 494,985.70, 742,490.07 and 121,011.94

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Solution

The fourth proportional to 494,985.70, 742,490.07 and 121,011.94 is: 181,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,985.70 : 742,490.07 = 121,011.94 : x
  2. Step 2: Convert to fraction form
    494,985.70/742,490.07 = 121,011.94/x
  3. Step 3: Cross multiply
    494,985.70x = 742,490.07 × 121,011.94
  4. Step 4: Simplify right side
    494,985.70x = 89,850,163,801.44
  5. Step 5: Solve for x
    x = 89,850,163,801.44/494,985.70
  6. Step 6: Final answer
    x = 181,520.73

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