Home / 489,906.82-734,860.28-152,976.34

Finding the Fourth Proportional to 489,906.82, 734,860.28 and 152,976.34

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Solution

The fourth proportional to 489,906.82, 734,860.28 and 152,976.34 is: 229,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,906.82 : 734,860.28 = 152,976.34 : x
  2. Step 2: Convert to fraction form
    489,906.82/734,860.28 = 152,976.34/x
  3. Step 3: Cross multiply
    489,906.82x = 734,860.28 × 152,976.34
  4. Step 4: Simplify right side
    489,906.82x = 112,416,236,045.78
  5. Step 5: Solve for x
    x = 112,416,236,045.78/489,906.82
  6. Step 6: Final answer
    x = 229,464.53

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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.