Home / 428,436.44-591,241.04-237,449.84

Finding the Fourth Proportional to 428,436.44, 591,241.04 and 237,449.84

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Solution

The fourth proportional to 428,436.44, 591,241.04 and 237,449.84 is: 327,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,436.44 : 591,241.04 = 237,449.84 : x
  2. Step 2: Convert to fraction form
    428,436.44/591,241.04 = 237,449.84/x
  3. Step 3: Cross multiply
    428,436.44x = 591,241.04 × 237,449.84
  4. Step 4: Simplify right side
    428,436.44x = 140,390,090,349.43
  5. Step 5: Solve for x
    x = 140,390,090,349.43/428,436.44
  6. Step 6: Final answer
    x = 327,680.09

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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.