Home / 902,322.57-1,245,205.44-494,421.09

Finding the Fourth Proportional to 902,322.57, 1,245,205.44 and 494,421.09

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Solution

The fourth proportional to 902,322.57, 1,245,205.44 and 494,421.09 is: 682,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,322.57 : 1,245,205.44 = 494,421.09 : x
  2. Step 2: Convert to fraction form
    902,322.57/1,245,205.44 = 494,421.09/x
  3. Step 3: Cross multiply
    902,322.57x = 1,245,205.44 × 494,421.09
  4. Step 4: Simplify right side
    902,322.57x = 615,655,830,918.73
  5. Step 5: Solve for x
    x = 615,655,830,918.73/902,322.57
  6. Step 6: Final answer
    x = 682,301.26

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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.