Home / 902,192.37-1,245,025.44-494,309.67

Finding the Fourth Proportional to 902,192.37, 1,245,025.44 and 494,309.67

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Solution

The fourth proportional to 902,192.37, 1,245,025.44 and 494,309.67 is: 682,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,192.37 : 1,245,025.44 = 494,309.67 : x
  2. Step 2: Convert to fraction form
    902,192.37/1,245,025.44 = 494,309.67/x
  3. Step 3: Cross multiply
    902,192.37x = 1,245,025.44 × 494,309.67
  4. Step 4: Simplify right side
    902,192.37x = 615,428,114,388.01
  5. Step 5: Solve for x
    x = 615,428,114,388.01/902,192.37
  6. Step 6: Final answer
    x = 682,147.33

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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.