Home / 981,036-1,470,759.66-306,770.04

Finding the Fourth Proportional to 981,036, 1,470,759.66 and 306,770.04

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Solution

The fourth proportional to 981,036, 1,470,759.66 and 306,770.04 is: 459,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,036 : 1,470,759.66 = 306,770.04 : x
  2. Step 2: Convert to fraction form
    981,036/1,470,759.66 = 306,770.04/x
  3. Step 3: Cross multiply
    981,036x = 1,470,759.66 × 306,770.04
  4. Step 4: Simplify right side
    981,036x = 451,184,999,728.59
  5. Step 5: Solve for x
    x = 451,184,999,728.59/981,036
  6. Step 6: Final answer
    x = 459,906.67

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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.