Home / 801,366.93-1,105,886.66-438,813.77

Finding the Fourth Proportional to 801,366.93, 1,105,886.66 and 438,813.77

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Solution

The fourth proportional to 801,366.93, 1,105,886.66 and 438,813.77 is: 605,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,366.93 : 1,105,886.66 = 438,813.77 : x
  2. Step 2: Convert to fraction form
    801,366.93/1,105,886.66 = 438,813.77/x
  3. Step 3: Cross multiply
    801,366.93x = 1,105,886.66 × 438,813.77
  4. Step 4: Simplify right side
    801,366.93x = 485,278,286,743.81
  5. Step 5: Solve for x
    x = 485,278,286,743.81/801,366.93
  6. Step 6: Final answer
    x = 605,563.16

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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.