Home / 801,954.11-1,106,696.64-439,391.72

Finding the Fourth Proportional to 801,954.11, 1,106,696.64 and 439,391.72

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Solution

The fourth proportional to 801,954.11, 1,106,696.64 and 439,391.72 is: 606,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,954.11 : 1,106,696.64 = 439,391.72 : x
  2. Step 2: Convert to fraction form
    801,954.11/1,106,696.64 = 439,391.72/x
  3. Step 3: Cross multiply
    801,954.11x = 1,106,696.64 × 439,391.72
  4. Step 4: Simplify right side
    801,954.11x = 486,273,340,167.82
  5. Step 5: Solve for x
    x = 486,273,340,167.82/801,954.11
  6. Step 6: Final answer
    x = 606,360.56

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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.