Home / 428,975.00-591,993.32-235,392.69

Finding the Fourth Proportional to 428,975.00, 591,993.32 and 235,392.69

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Solution

The fourth proportional to 428,975.00, 591,993.32 and 235,392.69 is: 324,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,975.00 : 591,993.32 = 235,392.69 : x
  2. Step 2: Convert to fraction form
    428,975.00/591,993.32 = 235,392.69/x
  3. Step 3: Cross multiply
    428,975.00x = 591,993.32 × 235,392.69
  4. Step 4: Simplify right side
    428,975.00x = 139,350,898,879.87
  5. Step 5: Solve for x
    x = 139,350,898,879.87/428,975.00
  6. Step 6: Final answer
    x = 324,846.20

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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.