Home / 428,516.68-591,290.92-237,530.04

Finding the Fourth Proportional to 428,516.68, 591,290.92 and 237,530.04

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Solution

The fourth proportional to 428,516.68, 591,290.92 and 237,530.04 is: 327,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,516.68 : 591,290.92 = 237,530.04 : x
  2. Step 2: Convert to fraction form
    428,516.68/591,290.92 = 237,530.04/x
  3. Step 3: Cross multiply
    428,516.68x = 591,290.92 × 237,530.04
  4. Step 4: Simplify right side
    428,516.68x = 140,449,355,879.24
  5. Step 5: Solve for x
    x = 140,449,355,879.24/428,516.68
  6. Step 6: Final answer
    x = 327,757.03

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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.