Home / 801,324.82-1,105,828.04-438,748.58

Finding the Fourth Proportional to 801,324.82, 1,105,828.04 and 438,748.58

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Solution

The fourth proportional to 801,324.82, 1,105,828.04 and 438,748.58 is: 605,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,324.82 : 1,105,828.04 = 438,748.58 : x
  2. Step 2: Convert to fraction form
    801,324.82/1,105,828.04 = 438,748.58/x
  3. Step 3: Cross multiply
    801,324.82x = 1,105,828.04 × 438,748.58
  4. Step 4: Simplify right side
    801,324.82x = 485,180,482,274.18
  5. Step 5: Solve for x
    x = 485,180,482,274.18/801,324.82
  6. Step 6: Final answer
    x = 605,472.93

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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.