Home / 814,202.55-1,220,429.03-308,568.15

Finding the Fourth Proportional to 814,202.55, 1,220,429.03 and 308,568.15

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Solution

The fourth proportional to 814,202.55, 1,220,429.03 and 308,568.15 is: 462,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,202.55 : 1,220,429.03 = 308,568.15 : x
  2. Step 2: Convert to fraction form
    814,202.55/1,220,429.03 = 308,568.15/x
  3. Step 3: Cross multiply
    814,202.55x = 1,220,429.03 × 308,568.15
  4. Step 4: Simplify right side
    814,202.55x = 376,585,526,450.55
  5. Step 5: Solve for x
    x = 376,585,526,450.55/814,202.55
  6. Step 6: Final answer
    x = 462,520.69

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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.