Home / 428,550.54-591,247.24-247,308.31

Finding the Fourth Proportional to 428,550.54, 591,247.24 and 247,308.31

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Solution

The fourth proportional to 428,550.54, 591,247.24 and 247,308.31 is: 341,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,550.54 : 591,247.24 = 247,308.31 : x
  2. Step 2: Convert to fraction form
    428,550.54/591,247.24 = 247,308.31/x
  3. Step 3: Cross multiply
    428,550.54x = 591,247.24 × 247,308.31
  4. Step 4: Simplify right side
    428,550.54x = 146,220,355,716.56
  5. Step 5: Solve for x
    x = 146,220,355,716.56/428,550.54
  6. Step 6: Final answer
    x = 341,197.46

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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.