Home / 930,936.65-1,396,514.32-331,982.96

Finding the Fourth Proportional to 930,936.65, 1,396,514.32 and 331,982.96

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Solution

The fourth proportional to 930,936.65, 1,396,514.32 and 331,982.96 is: 498,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,936.65 : 1,396,514.32 = 331,982.96 : x
  2. Step 2: Convert to fraction form
    930,936.65/1,396,514.32 = 331,982.96/x
  3. Step 3: Cross multiply
    930,936.65x = 1,396,514.32 × 331,982.96
  4. Step 4: Simplify right side
    930,936.65x = 463,618,949,823.46
  5. Step 5: Solve for x
    x = 463,618,949,823.46/930,936.65
  6. Step 6: Final answer
    x = 498,013.43

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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.