Home / 902,371.25-1,245,272.33-499,963.25

Finding the Fourth Proportional to 902,371.25, 1,245,272.33 and 499,963.25

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Solution

The fourth proportional to 902,371.25, 1,245,272.33 and 499,963.25 is: 689,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,371.25 : 1,245,272.33 = 499,963.25 : x
  2. Step 2: Convert to fraction form
    902,371.25/1,245,272.33 = 499,963.25/x
  3. Step 3: Cross multiply
    902,371.25x = 1,245,272.33 × 499,963.25
  4. Step 4: Simplify right side
    902,371.25x = 622,590,398,742.06
  5. Step 5: Solve for x
    x = 622,590,398,742.06/902,371.25
  6. Step 6: Final answer
    x = 689,949.29

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1.5x scale

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.