Home / 947,874.48-1,422,166.56-492,181.44

Finding the Fourth Proportional to 947,874.48, 1,422,166.56 and 492,181.44

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Solution

The fourth proportional to 947,874.48, 1,422,166.56 and 492,181.44 is: 738,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,874.48 : 1,422,166.56 = 492,181.44 : x
  2. Step 2: Convert to fraction form
    947,874.48/1,422,166.56 = 492,181.44/x
  3. Step 3: Cross multiply
    947,874.48x = 1,422,166.56 × 492,181.44
  4. Step 4: Simplify right side
    947,874.48x = 699,963,985,420.65
  5. Step 5: Solve for x
    x = 699,963,985,420.65/947,874.48
  6. Step 6: Final answer
    x = 738,456.41

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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.