Home / 842,739.62-1,264,229.37-273,937.86

Finding the Fourth Proportional to 842,739.62, 1,264,229.37 and 273,937.86

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Solution

The fourth proportional to 842,739.62, 1,264,229.37 and 273,937.86 is: 410,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,739.62 : 1,264,229.37 = 273,937.86 : x
  2. Step 2: Convert to fraction form
    842,739.62/1,264,229.37 = 273,937.86/x
  3. Step 3: Cross multiply
    842,739.62x = 1,264,229.37 × 273,937.86
  4. Step 4: Simplify right side
    842,739.62x = 346,320,288,166.95
  5. Step 5: Solve for x
    x = 346,320,288,166.95/842,739.62
  6. Step 6: Final answer
    x = 410,945.78

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1.5x scale

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.