Home / 801,282.33-1,105,727.60-438,636.74

Finding the Fourth Proportional to 801,282.33, 1,105,727.60 and 438,636.74

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Solution

The fourth proportional to 801,282.33, 1,105,727.60 and 438,636.74 is: 605,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,282.33 : 1,105,727.60 = 438,636.74 : x
  2. Step 2: Convert to fraction form
    801,282.33/1,105,727.60 = 438,636.74/x
  3. Step 3: Cross multiply
    801,282.33x = 1,105,727.60 × 438,636.74
  4. Step 4: Simplify right side
    801,282.33x = 485,012,745,359.98
  5. Step 5: Solve for x
    x = 485,012,745,359.98/801,282.33
  6. Step 6: Final answer
    x = 605,295.70

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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.