Home / 911,997.04-1,368,171.24-379,231.60

Finding the Fourth Proportional to 911,997.04, 1,368,171.24 and 379,231.60

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Solution

The fourth proportional to 911,997.04, 1,368,171.24 and 379,231.60 is: 568,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,997.04 : 1,368,171.24 = 379,231.60 : x
  2. Step 2: Convert to fraction form
    911,997.04/1,368,171.24 = 379,231.60/x
  3. Step 3: Cross multiply
    911,997.04x = 1,368,171.24 × 379,231.60
  4. Step 4: Simplify right side
    911,997.04x = 518,853,768,419.18
  5. Step 5: Solve for x
    x = 518,853,768,419.18/911,997.04
  6. Step 6: Final answer
    x = 568,920.45

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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.