Home / 869,600.35-1,304,489.90-300,980.52

Finding the Fourth Proportional to 869,600.35, 1,304,489.90 and 300,980.52

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Solution

The fourth proportional to 869,600.35, 1,304,489.90 and 300,980.52 is: 451,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,600.35 : 1,304,489.90 = 300,980.52 : x
  2. Step 2: Convert to fraction form
    869,600.35/1,304,489.90 = 300,980.52/x
  3. Step 3: Cross multiply
    869,600.35x = 1,304,489.90 × 300,980.52
  4. Step 4: Simplify right side
    869,600.35x = 392,626,049,189.20
  5. Step 5: Solve for x
    x = 392,626,049,189.20/869,600.35
  6. Step 6: Final answer
    x = 451,501.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.