Home / 668,403.52-1,002,372.08-268,940.80

Finding the Fourth Proportional to 668,403.52, 1,002,372.08 and 268,940.80

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Solution

The fourth proportional to 668,403.52, 1,002,372.08 and 268,940.80 is: 403,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,403.52 : 1,002,372.08 = 268,940.80 : x
  2. Step 2: Convert to fraction form
    668,403.52/1,002,372.08 = 268,940.80/x
  3. Step 3: Cross multiply
    668,403.52x = 1,002,372.08 × 268,940.80
  4. Step 4: Simplify right side
    668,403.52x = 269,578,749,092.86
  5. Step 5: Solve for x
    x = 269,578,749,092.86/668,403.52
  6. Step 6: Final answer
    x = 403,317.37

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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.