Home / 531,403.20-796,029.60-331,108.80

Finding the Fourth Proportional to 531,403.20, 796,029.60 and 331,108.80

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Solution

The fourth proportional to 531,403.20, 796,029.60 and 331,108.80 is: 495,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,403.20 : 796,029.60 = 331,108.80 : x
  2. Step 2: Convert to fraction form
    531,403.20/796,029.60 = 331,108.80/x
  3. Step 3: Cross multiply
    531,403.20x = 796,029.60 × 331,108.80
  4. Step 4: Simplify right side
    531,403.20x = 263,572,405,620.48
  5. Step 5: Solve for x
    x = 263,572,405,620.48/531,403.20
  6. Step 6: Final answer
    x = 495,993.26

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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.