Home / 861,548.54-1,188,917.25-539,436.22

Finding the Fourth Proportional to 861,548.54, 1,188,917.25 and 539,436.22

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Solution

The fourth proportional to 861,548.54, 1,188,917.25 and 539,436.22 is: 744,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,548.54 : 1,188,917.25 = 539,436.22 : x
  2. Step 2: Convert to fraction form
    861,548.54/1,188,917.25 = 539,436.22/x
  3. Step 3: Cross multiply
    861,548.54x = 1,188,917.25 × 539,436.22
  4. Step 4: Simplify right side
    861,548.54x = 641,345,027,232.80
  5. Step 5: Solve for x
    x = 641,345,027,232.80/861,548.54
  6. Step 6: Final answer
    x = 744,409.63

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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.