Home / 938,480.85-1,295,110.22-508,767.75

Finding the Fourth Proportional to 938,480.85, 1,295,110.22 and 508,767.75

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Solution

The fourth proportional to 938,480.85, 1,295,110.22 and 508,767.75 is: 702,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,480.85 : 1,295,110.22 = 508,767.75 : x
  2. Step 2: Convert to fraction form
    938,480.85/1,295,110.22 = 508,767.75/x
  3. Step 3: Cross multiply
    938,480.85x = 1,295,110.22 × 508,767.75
  4. Step 4: Simplify right side
    938,480.85x = 658,910,310,087.57
  5. Step 5: Solve for x
    x = 658,910,310,087.57/938,480.85
  6. Step 6: Final answer
    x = 702,103.10

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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.