Home / 999,994.25-1,500,147.20-325,919.17

Finding the Fourth Proportional to 999,994.25, 1,500,147.20 and 325,919.17

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Solution

The fourth proportional to 999,994.25, 1,500,147.20 and 325,919.17 is: 488,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,994.25 : 1,500,147.20 = 325,919.17 : x
  2. Step 2: Convert to fraction form
    999,994.25/1,500,147.20 = 325,919.17/x
  3. Step 3: Cross multiply
    999,994.25x = 1,500,147.20 × 325,919.17
  4. Step 4: Simplify right side
    999,994.25x = 488,926,721,171.49
  5. Step 5: Solve for x
    x = 488,926,721,171.49/999,994.25
  6. Step 6: Final answer
    x = 488,929.53

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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.