Home / 902,020.40-1,244,772.42-494,130.32

Finding the Fourth Proportional to 902,020.40, 1,244,772.42 and 494,130.32

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Solution

The fourth proportional to 902,020.40, 1,244,772.42 and 494,130.32 is: 681,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,020.40 : 1,244,772.42 = 494,130.32 : x
  2. Step 2: Convert to fraction form
    902,020.40/1,244,772.42 = 494,130.32/x
  3. Step 3: Cross multiply
    902,020.40x = 1,244,772.42 × 494,130.32
  4. Step 4: Simplify right side
    902,020.40x = 615,079,794,221.77
  5. Step 5: Solve for x
    x = 615,079,794,221.77/902,020.40
  6. Step 6: Final answer
    x = 681,891.22

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Double scale
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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.