Home / 489,902.82-734,854.28-152,972.34

Finding the Fourth Proportional to 489,902.82, 734,854.28 and 152,972.34

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Solution

The fourth proportional to 489,902.82, 734,854.28 and 152,972.34 is: 229,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,902.82 : 734,854.28 = 152,972.34 : x
  2. Step 2: Convert to fraction form
    489,902.82/734,854.28 = 152,972.34/x
  3. Step 3: Cross multiply
    489,902.82x = 734,854.28 × 152,972.34
  4. Step 4: Simplify right side
    489,902.82x = 112,412,378,770.62
  5. Step 5: Solve for x
    x = 112,412,378,770.62/489,902.82
  6. Step 6: Final answer
    x = 229,458.53

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1.5x scale

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.