Home / 902,667.32-1,245,669.80-489,195.26

Finding the Fourth Proportional to 902,667.32, 1,245,669.80 and 489,195.26

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Solution

The fourth proportional to 902,667.32, 1,245,669.80 and 489,195.26 is: 675,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,667.32 : 1,245,669.80 = 489,195.26 : x
  2. Step 2: Convert to fraction form
    902,667.32/1,245,669.80 = 489,195.26/x
  3. Step 3: Cross multiply
    902,667.32x = 1,245,669.80 × 489,195.26
  4. Step 4: Simplify right side
    902,667.32x = 609,375,753,010.82
  5. Step 5: Solve for x
    x = 609,375,753,010.82/902,667.32
  6. Step 6: Final answer
    x = 675,083.44

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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.