Home / 886,540.36-1,330,393.98-325,579.72

Finding the Fourth Proportional to 886,540.36, 1,330,393.98 and 325,579.72

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Solution

The fourth proportional to 886,540.36, 1,330,393.98 and 325,579.72 is: 488,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,540.36 : 1,330,393.98 = 325,579.72 : x
  2. Step 2: Convert to fraction form
    886,540.36/1,330,393.98 = 325,579.72/x
  3. Step 3: Cross multiply
    886,540.36x = 1,330,393.98 × 325,579.72
  4. Step 4: Simplify right side
    886,540.36x = 433,149,299,498.09
  5. Step 5: Solve for x
    x = 433,149,299,498.09/886,540.36
  6. Step 6: Final answer
    x = 488,583.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.