Home / 801,154.56-1,105,594.80-438,600.96

Finding the Fourth Proportional to 801,154.56, 1,105,594.80 and 438,600.96

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Solution

The fourth proportional to 801,154.56, 1,105,594.80 and 438,600.96 is: 605,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,154.56 : 1,105,594.80 = 438,600.96 : x
  2. Step 2: Convert to fraction form
    801,154.56/1,105,594.80 = 438,600.96/x
  3. Step 3: Cross multiply
    801,154.56x = 1,105,594.80 × 438,600.96
  4. Step 4: Simplify right side
    801,154.56x = 484,914,940,651.01
  5. Step 5: Solve for x
    x = 484,914,940,651.01/801,154.56
  6. Step 6: Final answer
    x = 605,270.15

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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.