Home / 897,388.40-1,345,791.20-298,188.64

Finding the Fourth Proportional to 897,388.40, 1,345,791.20 and 298,188.64

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Solution

The fourth proportional to 897,388.40, 1,345,791.20 and 298,188.64 is: 447,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,388.40 : 1,345,791.20 = 298,188.64 : x
  2. Step 2: Convert to fraction form
    897,388.40/1,345,791.20 = 298,188.64/x
  3. Step 3: Cross multiply
    897,388.40x = 1,345,791.20 × 298,188.64
  4. Step 4: Simplify right side
    897,388.40x = 401,299,647,651.97
  5. Step 5: Solve for x
    x = 401,299,647,651.97/897,388.40
  6. Step 6: Final answer
    x = 447,186.13

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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.