Home / 801,357.94-1,105,874.22-438,804.77

Finding the Fourth Proportional to 801,357.94, 1,105,874.22 and 438,804.77

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Solution

The fourth proportional to 801,357.94, 1,105,874.22 and 438,804.77 is: 605,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,357.94 : 1,105,874.22 = 438,804.77 : x
  2. Step 2: Convert to fraction form
    801,357.94/1,105,874.22 = 438,804.77/x
  3. Step 3: Cross multiply
    801,357.94x = 1,105,874.22 × 438,804.77
  4. Step 4: Simplify right side
    801,357.94x = 485,262,882,291.04
  5. Step 5: Solve for x
    x = 485,262,882,291.04/801,357.94
  6. Step 6: Final answer
    x = 605,550.73

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1.5x scale

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.