Home / 842,272.58-1,263,540.06-505,234.01

Finding the Fourth Proportional to 842,272.58, 1,263,540.06 and 505,234.01

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Solution

The fourth proportional to 842,272.58, 1,263,540.06 and 505,234.01 is: 757,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,272.58 : 1,263,540.06 = 505,234.01 : x
  2. Step 2: Convert to fraction form
    842,272.58/1,263,540.06 = 505,234.01/x
  3. Step 3: Cross multiply
    842,272.58x = 1,263,540.06 × 505,234.01
  4. Step 4: Simplify right side
    842,272.58x = 638,383,404,991.74
  5. Step 5: Solve for x
    x = 638,383,404,991.74/842,272.58
  6. Step 6: Final answer
    x = 757,929.71

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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.