Home / 801,086.38-1,105,497.59-438,510.33

Finding the Fourth Proportional to 801,086.38, 1,105,497.59 and 438,510.33

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Solution

The fourth proportional to 801,086.38, 1,105,497.59 and 438,510.33 is: 605,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,086.38 : 1,105,497.59 = 438,510.33 : x
  2. Step 2: Convert to fraction form
    801,086.38/1,105,497.59 = 438,510.33/x
  3. Step 3: Cross multiply
    801,086.38x = 1,105,497.59 × 438,510.33
  4. Step 4: Simplify right side
    801,086.38x = 484,772,110,812.55
  5. Step 5: Solve for x
    x = 484,772,110,812.55/801,086.38
  6. Step 6: Final answer
    x = 605,143.37

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Double scale
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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.