Home / 902,181.25-1,245,010.13-539,620.39

Finding the Fourth Proportional to 902,181.25, 1,245,010.13 and 539,620.39

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Solution

The fourth proportional to 902,181.25, 1,245,010.13 and 539,620.39 is: 744,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,181.25 : 1,245,010.13 = 539,620.39 : x
  2. Step 2: Convert to fraction form
    902,181.25/1,245,010.13 = 539,620.39/x
  3. Step 3: Cross multiply
    902,181.25x = 1,245,010.13 × 539,620.39
  4. Step 4: Simplify right side
    902,181.25x = 671,832,851,904.55
  5. Step 5: Solve for x
    x = 671,832,851,904.55/902,181.25
  6. Step 6: Final answer
    x = 744,676.14

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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.