Home / 801,360.27-1,105,842.87-438,777.54

Finding the Fourth Proportional to 801,360.27, 1,105,842.87 and 438,777.54

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Solution

The fourth proportional to 801,360.27, 1,105,842.87 and 438,777.54 is: 605,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,360.27 : 1,105,842.87 = 438,777.54 : x
  2. Step 2: Convert to fraction form
    801,360.27/1,105,842.87 = 438,777.54/x
  3. Step 3: Cross multiply
    801,360.27x = 1,105,842.87 × 438,777.54
  4. Step 4: Simplify right side
    801,360.27x = 485,219,014,125.14
  5. Step 5: Solve for x
    x = 485,219,014,125.14/801,360.27
  6. Step 6: Final answer
    x = 605,494.22

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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.