Home / 428,306.82-591,060.42-237,319.62

Finding the Fourth Proportional to 428,306.82, 591,060.42 and 237,319.62

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Solution

The fourth proportional to 428,306.82, 591,060.42 and 237,319.62 is: 327,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,306.82 : 591,060.42 = 237,319.62 : x
  2. Step 2: Convert to fraction form
    428,306.82/591,060.42 = 237,319.62/x
  3. Step 3: Cross multiply
    428,306.82x = 591,060.42 × 237,319.62
  4. Step 4: Simplify right side
    428,306.82x = 140,270,234,271.44
  5. Step 5: Solve for x
    x = 140,270,234,271.44/428,306.82
  6. Step 6: Final answer
    x = 327,499.42

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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.