Home / 801,395.86-1,105,951.33-438,854.14

Finding the Fourth Proportional to 801,395.86, 1,105,951.33 and 438,854.14

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Solution

The fourth proportional to 801,395.86, 1,105,951.33 and 438,854.14 is: 605,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,395.86 : 1,105,951.33 = 438,854.14 : x
  2. Step 2: Convert to fraction form
    801,395.86/1,105,951.33 = 438,854.14/x
  3. Step 3: Cross multiply
    801,395.86x = 1,105,951.33 × 438,854.14
  4. Step 4: Simplify right side
    801,395.86x = 485,351,319,809.01
  5. Step 5: Solve for x
    x = 485,351,319,809.01/801,395.86
  6. Step 6: Final answer
    x = 605,632.43

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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.