Home / 876,067.83-1,208,971.33-488,879.21

Finding the Fourth Proportional to 876,067.83, 1,208,971.33 and 488,879.21

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Solution

The fourth proportional to 876,067.83, 1,208,971.33 and 488,879.21 is: 674,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,067.83 : 1,208,971.33 = 488,879.21 : x
  2. Step 2: Convert to fraction form
    876,067.83/1,208,971.33 = 488,879.21/x
  3. Step 3: Cross multiply
    876,067.83x = 1,208,971.33 × 488,879.21
  4. Step 4: Simplify right side
    876,067.83x = 591,040,950,523.28
  5. Step 5: Solve for x
    x = 591,040,950,523.28/876,067.83
  6. Step 6: Final answer
    x = 674,652.04

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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.