Home / 801,241.08-1,105,725.78-438,658.92

Finding the Fourth Proportional to 801,241.08, 1,105,725.78 and 438,658.92

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Solution

The fourth proportional to 801,241.08, 1,105,725.78 and 438,658.92 is: 605,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,241.08 : 1,105,725.78 = 438,658.92 : x
  2. Step 2: Convert to fraction form
    801,241.08/1,105,725.78 = 438,658.92/x
  3. Step 3: Cross multiply
    801,241.08x = 1,105,725.78 × 438,658.92
  4. Step 4: Simplify right side
    801,241.08x = 485,036,476,470.96
  5. Step 5: Solve for x
    x = 485,036,476,470.96/801,241.08
  6. Step 6: Final answer
    x = 605,356.48

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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.