Home / 999,799.36-1,499,854.57-325,723.75

Finding the Fourth Proportional to 999,799.36, 1,499,854.57 and 325,723.75

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Solution

The fourth proportional to 999,799.36, 1,499,854.57 and 325,723.75 is: 488,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,799.36 : 1,499,854.57 = 325,723.75 : x
  2. Step 2: Convert to fraction form
    999,799.36/1,499,854.57 = 325,723.75/x
  3. Step 3: Cross multiply
    999,799.36x = 1,499,854.57 × 325,723.75
  4. Step 4: Simplify right side
    999,799.36x = 488,538,250,431.09
  5. Step 5: Solve for x
    x = 488,538,250,431.09/999,799.36
  6. Step 6: Final answer
    x = 488,636.29

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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.