Home / 351,996.40-526,828.20-324,002.80

Finding the Fourth Proportional to 351,996.40, 526,828.20 and 324,002.80

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Solution

The fourth proportional to 351,996.40, 526,828.20 and 324,002.80 is: 484,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,996.40 : 526,828.20 = 324,002.80 : x
  2. Step 2: Convert to fraction form
    351,996.40/526,828.20 = 324,002.80/x
  3. Step 3: Cross multiply
    351,996.40x = 526,828.20 × 324,002.80
  4. Step 4: Simplify right side
    351,996.40x = 170,693,811,918.96
  5. Step 5: Solve for x
    x = 170,693,811,918.96/351,996.40
  6. Step 6: Final answer
    x = 484,930.56

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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.