Home / 801,044.88-1,105,441.11-438,465.51

Finding the Fourth Proportional to 801,044.88, 1,105,441.11 and 438,465.51

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Solution

The fourth proportional to 801,044.88, 1,105,441.11 and 438,465.51 is: 605,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,044.88 : 1,105,441.11 = 438,465.51 : x
  2. Step 2: Convert to fraction form
    801,044.88/1,105,441.11 = 438,465.51/x
  3. Step 3: Cross multiply
    801,044.88x = 1,105,441.11 × 438,465.51
  4. Step 4: Simplify right side
    801,044.88x = 484,697,800,071.12
  5. Step 5: Solve for x
    x = 484,697,800,071.12/801,044.88
  6. Step 6: Final answer
    x = 605,081.95

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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.