Home / 494,784-742,521.60-199,296

Finding the Fourth Proportional to 494,784, 742,521.60 and 199,296

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Solution

The fourth proportional to 494,784, 742,521.60 and 199,296 is: 299,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,784 : 742,521.60 = 199,296 : x
  2. Step 2: Convert to fraction form
    494,784/742,521.60 = 199,296/x
  3. Step 3: Cross multiply
    494,784x = 742,521.60 × 199,296
  4. Step 4: Simplify right side
    494,784x = 147,981,584,793.60
  5. Step 5: Solve for x
    x = 147,981,584,793.60/494,784
  6. Step 6: Final answer
    x = 299,083.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.