Home / 902,191.06-1,245,023.63-494,308.37

Finding the Fourth Proportional to 902,191.06, 1,245,023.63 and 494,308.37

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Solution

The fourth proportional to 902,191.06, 1,245,023.63 and 494,308.37 is: 682,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,191.06 : 1,245,023.63 = 494,308.37 : x
  2. Step 2: Convert to fraction form
    902,191.06/1,245,023.63 = 494,308.37/x
  3. Step 3: Cross multiply
    902,191.06x = 1,245,023.63 × 494,308.37
  4. Step 4: Simplify right side
    902,191.06x = 615,425,603,651.46
  5. Step 5: Solve for x
    x = 615,425,603,651.46/902,191.06
  6. Step 6: Final answer
    x = 682,145.53

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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.