Home / 801,219.06-1,105,682.55-438,665.95

Finding the Fourth Proportional to 801,219.06, 1,105,682.55 and 438,665.95

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Solution

The fourth proportional to 801,219.06, 1,105,682.55 and 438,665.95 is: 605,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,219.06 : 1,105,682.55 = 438,665.95 : x
  2. Step 2: Convert to fraction form
    801,219.06/1,105,682.55 = 438,665.95/x
  3. Step 3: Cross multiply
    801,219.06x = 1,105,682.55 × 438,665.95
  4. Step 4: Simplify right side
    801,219.06x = 485,025,282,179.31
  5. Step 5: Solve for x
    x = 485,025,282,179.31/801,219.06
  6. Step 6: Final answer
    x = 605,359.14

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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.