Home / 999,993.25-1,500,145.69-325,918.16

Finding the Fourth Proportional to 999,993.25, 1,500,145.69 and 325,918.16

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Solution

The fourth proportional to 999,993.25, 1,500,145.69 and 325,918.16 is: 488,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,993.25 : 1,500,145.69 = 325,918.16 : x
  2. Step 2: Convert to fraction form
    999,993.25/1,500,145.69 = 325,918.16/x
  3. Step 3: Cross multiply
    999,993.25x = 1,500,145.69 × 325,918.16
  4. Step 4: Simplify right side
    999,993.25x = 488,924,723,016.73
  5. Step 5: Solve for x
    x = 488,924,723,016.73/999,993.25
  6. Step 6: Final answer
    x = 488,928.02

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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.