Home / 427,742.31-590,243.97-255,626.04

Finding the Fourth Proportional to 427,742.31, 590,243.97 and 255,626.04

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Solution

The fourth proportional to 427,742.31, 590,243.97 and 255,626.04 is: 352,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,742.31 : 590,243.97 = 255,626.04 : x
  2. Step 2: Convert to fraction form
    427,742.31/590,243.97 = 255,626.04/x
  3. Step 3: Cross multiply
    427,742.31x = 590,243.97 × 255,626.04
  4. Step 4: Simplify right side
    427,742.31x = 150,881,728,684.98
  5. Step 5: Solve for x
    x = 150,881,728,684.98/427,742.31
  6. Step 6: Final answer
    x = 352,739.78

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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.