Home / 755,874.33-1,043,028.68-465,439.65

Finding the Fourth Proportional to 755,874.33, 1,043,028.68 and 465,439.65

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Solution

The fourth proportional to 755,874.33, 1,043,028.68 and 465,439.65 is: 642,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,874.33 : 1,043,028.68 = 465,439.65 : x
  2. Step 2: Convert to fraction form
    755,874.33/1,043,028.68 = 465,439.65/x
  3. Step 3: Cross multiply
    755,874.33x = 1,043,028.68 × 465,439.65
  4. Step 4: Simplify right side
    755,874.33x = 485,466,901,431.96
  5. Step 5: Solve for x
    x = 485,466,901,431.96/755,874.33
  6. Step 6: Final answer
    x = 642,258.75

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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.