Home / 428,576.37-591,221.28-273,600.08

Finding the Fourth Proportional to 428,576.37, 591,221.28 and 273,600.08

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Solution

The fourth proportional to 428,576.37, 591,221.28 and 273,600.08 is: 377,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,576.37 : 591,221.28 = 273,600.08 : x
  2. Step 2: Convert to fraction form
    428,576.37/591,221.28 = 273,600.08/x
  3. Step 3: Cross multiply
    428,576.37x = 591,221.28 × 273,600.08
  4. Step 4: Simplify right side
    428,576.37x = 161,758,188,253.68
  5. Step 5: Solve for x
    x = 161,758,188,253.68/428,576.37
  6. Step 6: Final answer
    x = 377,431.42

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1.5x scale

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.