Home / 801,744.12-1,106,406-439,190.28

Finding the Fourth Proportional to 801,744.12, 1,106,406 and 439,190.28

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Solution

The fourth proportional to 801,744.12, 1,106,406 and 439,190.28 is: 606,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,744.12 : 1,106,406 = 439,190.28 : x
  2. Step 2: Convert to fraction form
    801,744.12/1,106,406 = 439,190.28/x
  3. Step 3: Cross multiply
    801,744.12x = 1,106,406 × 439,190.28
  4. Step 4: Simplify right side
    801,744.12x = 485,922,760,933.68
  5. Step 5: Solve for x
    x = 485,922,760,933.68/801,744.12
  6. Step 6: Final answer
    x = 606,082.10

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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.