Home / 873,180.83-1,204,987.77-491,207.91

Finding the Fourth Proportional to 873,180.83, 1,204,987.77 and 491,207.91

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Solution

The fourth proportional to 873,180.83, 1,204,987.77 and 491,207.91 is: 677,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,180.83 : 1,204,987.77 = 491,207.91 : x
  2. Step 2: Convert to fraction form
    873,180.83/1,204,987.77 = 491,207.91/x
  3. Step 3: Cross multiply
    873,180.83x = 1,204,987.77 × 491,207.91
  4. Step 4: Simplify right side
    873,180.83x = 591,899,524,077.26
  5. Step 5: Solve for x
    x = 591,899,524,077.26/873,180.83
  6. Step 6: Final answer
    x = 677,865.92

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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.