Home / 981,052-1,470,783.66-306,786.04

Finding the Fourth Proportional to 981,052, 1,470,783.66 and 306,786.04

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Solution

The fourth proportional to 981,052, 1,470,783.66 and 306,786.04 is: 459,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,052 : 1,470,783.66 = 306,786.04 : x
  2. Step 2: Convert to fraction form
    981,052/1,470,783.66 = 306,786.04/x
  3. Step 3: Cross multiply
    981,052x = 1,470,783.66 × 306,786.04
  4. Step 4: Simplify right side
    981,052x = 451,215,894,748.11
  5. Step 5: Solve for x
    x = 451,215,894,748.11/981,052
  6. Step 6: Final answer
    x = 459,930.66

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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.