Home / 744,770.53-1,027,858.98-438,945.39

Finding the Fourth Proportional to 744,770.53, 1,027,858.98 and 438,945.39

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Solution

The fourth proportional to 744,770.53, 1,027,858.98 and 438,945.39 is: 605,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,770.53 : 1,027,858.98 = 438,945.39 : x
  2. Step 2: Convert to fraction form
    744,770.53/1,027,858.98 = 438,945.39/x
  3. Step 3: Cross multiply
    744,770.53x = 1,027,858.98 × 438,945.39
  4. Step 4: Simplify right side
    744,770.53x = 451,173,960,841.10
  5. Step 5: Solve for x
    x = 451,173,960,841.10/744,770.53
  6. Step 6: Final answer
    x = 605,789.22

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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.