Home / 801,425.84-1,105,981.26-438,843.92

Finding the Fourth Proportional to 801,425.84, 1,105,981.26 and 438,843.92

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Solution

The fourth proportional to 801,425.84, 1,105,981.26 and 438,843.92 is: 605,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,425.84 : 1,105,981.26 = 438,843.92 : x
  2. Step 2: Convert to fraction form
    801,425.84/1,105,981.26 = 438,843.92/x
  3. Step 3: Cross multiply
    801,425.84x = 1,105,981.26 × 438,843.92
  4. Step 4: Simplify right side
    801,425.84x = 485,353,151,584.94
  5. Step 5: Solve for x
    x = 485,353,151,584.94/801,425.84
  6. Step 6: Final answer
    x = 605,612.06

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1.5x scale

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.