Home / 494,786.52-742,209.75-139,827.11

Finding the Fourth Proportional to 494,786.52, 742,209.75 and 139,827.11

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Solution

The fourth proportional to 494,786.52, 742,209.75 and 139,827.11 is: 209,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,786.52 : 742,209.75 = 139,827.11 : x
  2. Step 2: Convert to fraction form
    494,786.52/742,209.75 = 139,827.11/x
  3. Step 3: Cross multiply
    494,786.52x = 742,209.75 × 139,827.11
  4. Step 4: Simplify right side
    494,786.52x = 103,781,040,645.27
  5. Step 5: Solve for x
    x = 103,781,040,645.27/494,786.52
  6. Step 6: Final answer
    x = 209,749.13

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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.