Home / 930,937.65-1,396,515.82-331,983.96

Finding the Fourth Proportional to 930,937.65, 1,396,515.82 and 331,983.96

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Solution

The fourth proportional to 930,937.65, 1,396,515.82 and 331,983.96 is: 498,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,937.65 : 1,396,515.82 = 331,983.96 : x
  2. Step 2: Convert to fraction form
    930,937.65/1,396,515.82 = 331,983.96/x
  3. Step 3: Cross multiply
    930,937.65x = 1,396,515.82 × 331,983.96
  4. Step 4: Simplify right side
    930,937.65x = 463,620,852,126.25
  5. Step 5: Solve for x
    x = 463,620,852,126.25/930,937.65
  6. Step 6: Final answer
    x = 498,014.93

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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.