Home / 863,982.80-1,295,359.32-331,053.20

Finding the Fourth Proportional to 863,982.80, 1,295,359.32 and 331,053.20

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Solution

The fourth proportional to 863,982.80, 1,295,359.32 and 331,053.20 is: 496,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,982.80 : 1,295,359.32 = 331,053.20 : x
  2. Step 2: Convert to fraction form
    863,982.80/1,295,359.32 = 331,053.20/x
  3. Step 3: Cross multiply
    863,982.80x = 1,295,359.32 × 331,053.20
  4. Step 4: Simplify right side
    863,982.80x = 428,832,848,035.82
  5. Step 5: Solve for x
    x = 428,832,848,035.82/863,982.80
  6. Step 6: Final answer
    x = 496,344.20

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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.