Home / 902,605.44-1,245,605.28-494,698.50

Finding the Fourth Proportional to 902,605.44, 1,245,605.28 and 494,698.50

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Solution

The fourth proportional to 902,605.44, 1,245,605.28 and 494,698.50 is: 682,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,605.44 : 1,245,605.28 = 494,698.50 : x
  2. Step 2: Convert to fraction form
    902,605.44/1,245,605.28 = 494,698.50/x
  3. Step 3: Cross multiply
    902,605.44x = 1,245,605.28 × 494,698.50
  4. Step 4: Simplify right side
    902,605.44x = 616,199,063,608.08
  5. Step 5: Solve for x
    x = 616,199,063,608.08/902,605.44
  6. Step 6: Final answer
    x = 682,689.29

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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.