Home / 428,767.44-591,695.04-235,171.20

Finding the Fourth Proportional to 428,767.44, 591,695.04 and 235,171.20

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Solution

The fourth proportional to 428,767.44, 591,695.04 and 235,171.20 is: 324,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,767.44 : 591,695.04 = 235,171.20 : x
  2. Step 2: Convert to fraction form
    428,767.44/591,695.04 = 235,171.20/x
  3. Step 3: Cross multiply
    428,767.44x = 591,695.04 × 235,171.20
  4. Step 4: Simplify right side
    428,767.44x = 139,149,632,590.85
  5. Step 5: Solve for x
    x = 139,149,632,590.85/428,767.44
  6. Step 6: Final answer
    x = 324,534.05

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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.