Home / 428,515.68-591,289.56-237,529.02

Finding the Fourth Proportional to 428,515.68, 591,289.56 and 237,529.02

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Solution

The fourth proportional to 428,515.68, 591,289.56 and 237,529.02 is: 327,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,515.68 : 591,289.56 = 237,529.02 : x
  2. Step 2: Convert to fraction form
    428,515.68/591,289.56 = 237,529.02/x
  3. Step 3: Cross multiply
    428,515.68x = 591,289.56 × 237,529.02
  4. Step 4: Simplify right side
    428,515.68x = 140,448,429,723.03
  5. Step 5: Solve for x
    x = 140,448,429,723.03/428,515.68
  6. Step 6: Final answer
    x = 327,755.64

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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.