Home / 428,836.40-591,309.44-273,580.64

Finding the Fourth Proportional to 428,836.40, 591,309.44 and 273,580.64

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Solution

The fourth proportional to 428,836.40, 591,309.44 and 273,580.64 is: 377,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,836.40 : 591,309.44 = 273,580.64 : x
  2. Step 2: Convert to fraction form
    428,836.40/591,309.44 = 273,580.64/x
  3. Step 3: Cross multiply
    428,836.40x = 591,309.44 × 273,580.64
  4. Step 4: Simplify right side
    428,836.40x = 161,770,815,033.24
  5. Step 5: Solve for x
    x = 161,770,815,033.24/428,836.40
  6. Step 6: Final answer
    x = 377,232.01

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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.