Home / 821,845.22-1,134,143.09-459,269.00

Finding the Fourth Proportional to 821,845.22, 1,134,143.09 and 459,269.00

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Solution

The fourth proportional to 821,845.22, 1,134,143.09 and 459,269.00 is: 633,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,845.22 : 1,134,143.09 = 459,269.00 : x
  2. Step 2: Convert to fraction form
    821,845.22/1,134,143.09 = 459,269.00/x
  3. Step 3: Cross multiply
    821,845.22x = 1,134,143.09 × 459,269.00
  4. Step 4: Simplify right side
    821,845.22x = 520,876,758,911.36
  5. Step 5: Solve for x
    x = 520,876,758,911.36/821,845.22
  6. Step 6: Final answer
    x = 633,789.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.