Home / 428,098.28-590,769.12-234,504.44

Finding the Fourth Proportional to 428,098.28, 590,769.12 and 234,504.44

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Solution

The fourth proportional to 428,098.28, 590,769.12 and 234,504.44 is: 323,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,098.28 : 590,769.12 = 234,504.44 : x
  2. Step 2: Convert to fraction form
    428,098.28/590,769.12 = 234,504.44/x
  3. Step 3: Cross multiply
    428,098.28x = 590,769.12 × 234,504.44
  4. Step 4: Simplify right side
    428,098.28x = 138,537,981,654.89
  5. Step 5: Solve for x
    x = 138,537,981,654.89/428,098.28
  6. Step 6: Final answer
    x = 323,612.56

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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.