Home / 801,365.18-1,105,884.24-438,812.02

Finding the Fourth Proportional to 801,365.18, 1,105,884.24 and 438,812.02

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Solution

The fourth proportional to 801,365.18, 1,105,884.24 and 438,812.02 is: 605,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,365.18 : 1,105,884.24 = 438,812.02 : x
  2. Step 2: Convert to fraction form
    801,365.18/1,105,884.24 = 438,812.02/x
  3. Step 3: Cross multiply
    801,365.18x = 1,105,884.24 × 438,812.02
  4. Step 4: Simplify right side
    801,365.18x = 485,275,291,711.14
  5. Step 5: Solve for x
    x = 485,275,291,711.14/801,365.18
  6. Step 6: Final answer
    x = 605,560.74

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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.