Home / 801,324.70-1,105,827.89-438,748.45

Finding the Fourth Proportional to 801,324.70, 1,105,827.89 and 438,748.45

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Solution

The fourth proportional to 801,324.70, 1,105,827.89 and 438,748.45 is: 605,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,324.70 : 1,105,827.89 = 438,748.45 : x
  2. Step 2: Convert to fraction form
    801,324.70/1,105,827.89 = 438,748.45/x
  3. Step 3: Cross multiply
    801,324.70x = 1,105,827.89 × 438,748.45
  4. Step 4: Simplify right side
    801,324.70x = 485,180,267,745.96
  5. Step 5: Solve for x
    x = 485,180,267,745.96/801,324.70
  6. Step 6: Final answer
    x = 605,472.75

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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.