Home / 801,372.68-1,105,894.16-438,796.47

Finding the Fourth Proportional to 801,372.68, 1,105,894.16 and 438,796.47

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Solution

The fourth proportional to 801,372.68, 1,105,894.16 and 438,796.47 is: 605,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,372.68 : 1,105,894.16 = 438,796.47 : x
  2. Step 2: Convert to fraction form
    801,372.68/1,105,894.16 = 438,796.47/x
  3. Step 3: Cross multiply
    801,372.68x = 1,105,894.16 × 438,796.47
  4. Step 4: Simplify right side
    801,372.68x = 485,262,451,407.63
  5. Step 5: Solve for x
    x = 485,262,451,407.63/801,372.68
  6. Step 6: Final answer
    x = 605,539.05

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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.