Home / 902,712.62-1,245,758.46-489,262.60

Finding the Fourth Proportional to 902,712.62, 1,245,758.46 and 489,262.60

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Solution

The fourth proportional to 902,712.62, 1,245,758.46 and 489,262.60 is: 675,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,712.62 : 1,245,758.46 = 489,262.60 : x
  2. Step 2: Convert to fraction form
    902,712.62/1,245,758.46 = 489,262.60/x
  3. Step 3: Cross multiply
    902,712.62x = 1,245,758.46 × 489,262.60
  4. Step 4: Simplify right side
    902,712.62x = 609,503,021,165.10
  5. Step 5: Solve for x
    x = 609,503,021,165.10/902,712.62
  6. Step 6: Final answer
    x = 675,190.54

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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.