Home / 902,181.24-1,245,009.42-494,308.54

Finding the Fourth Proportional to 902,181.24, 1,245,009.42 and 494,308.54

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Solution

The fourth proportional to 902,181.24, 1,245,009.42 and 494,308.54 is: 682,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,181.24 : 1,245,009.42 = 494,308.54 : x
  2. Step 2: Convert to fraction form
    902,181.24/1,245,009.42 = 494,308.54/x
  3. Step 3: Cross multiply
    902,181.24x = 1,245,009.42 × 494,308.54
  4. Step 4: Simplify right side
    902,181.24x = 615,418,788,686.45
  5. Step 5: Solve for x
    x = 615,418,788,686.45/902,181.24
  6. Step 6: Final answer
    x = 682,145.41

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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.