Home / 930,943.66-1,396,524.82-331,989.98

Finding the Fourth Proportional to 930,943.66, 1,396,524.82 and 331,989.98

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Solution

The fourth proportional to 930,943.66, 1,396,524.82 and 331,989.98 is: 498,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,943.66 : 1,396,524.82 = 331,989.98 : x
  2. Step 2: Convert to fraction form
    930,943.66/1,396,524.82 = 331,989.98/x
  3. Step 3: Cross multiply
    930,943.66x = 1,396,524.82 × 331,989.98
  4. Step 4: Simplify right side
    930,943.66x = 463,632,247,061.30
  5. Step 5: Solve for x
    x = 463,632,247,061.30/930,943.66
  6. Step 6: Final answer
    x = 498,023.96

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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.