Home / 505,849.56-758,549.70-269,142.36

Finding the Fourth Proportional to 505,849.56, 758,549.70 and 269,142.36

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Solution

The fourth proportional to 505,849.56, 758,549.70 and 269,142.36 is: 403,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,849.56 : 758,549.70 = 269,142.36 : x
  2. Step 2: Convert to fraction form
    505,849.56/758,549.70 = 269,142.36/x
  3. Step 3: Cross multiply
    505,849.56x = 758,549.70 × 269,142.36
  4. Step 4: Simplify right side
    505,849.56x = 204,157,856,435.29
  5. Step 5: Solve for x
    x = 204,157,856,435.29/505,849.56
  6. Step 6: Final answer
    x = 403,594.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.