Home / 668,227.80-1,002,341.70-331,332.60

Finding the Fourth Proportional to 668,227.80, 1,002,341.70 and 331,332.60

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Solution

The fourth proportional to 668,227.80, 1,002,341.70 and 331,332.60 is: 496,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,227.80 : 1,002,341.70 = 331,332.60 : x
  2. Step 2: Convert to fraction form
    668,227.80/1,002,341.70 = 331,332.60/x
  3. Step 3: Cross multiply
    668,227.80x = 1,002,341.70 × 331,332.60
  4. Step 4: Simplify right side
    668,227.80x = 332,108,481,549.42
  5. Step 5: Solve for x
    x = 332,108,481,549.42/668,227.80
  6. Step 6: Final answer
    x = 496,998.90

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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.