Home / 880,273.45-1,320,499.68-303,821.69

Finding the Fourth Proportional to 880,273.45, 1,320,499.68 and 303,821.69

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Solution

The fourth proportional to 880,273.45, 1,320,499.68 and 303,821.69 is: 455,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,273.45 : 1,320,499.68 = 303,821.69 : x
  2. Step 2: Convert to fraction form
    880,273.45/1,320,499.68 = 303,821.69/x
  3. Step 3: Cross multiply
    880,273.45x = 1,320,499.68 × 303,821.69
  4. Step 4: Simplify right side
    880,273.45x = 401,196,442,902.95
  5. Step 5: Solve for x
    x = 401,196,442,902.95/880,273.45
  6. Step 6: Final answer
    x = 455,763.43

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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.