Home / 827,917.20-1,242,094.32-448,669.44

Finding the Fourth Proportional to 827,917.20, 1,242,094.32 and 448,669.44

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Solution

The fourth proportional to 827,917.20, 1,242,094.32 and 448,669.44 is: 673,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,917.20 : 1,242,094.32 = 448,669.44 : x
  2. Step 2: Convert to fraction form
    827,917.20/1,242,094.32 = 448,669.44/x
  3. Step 3: Cross multiply
    827,917.20x = 1,242,094.32 × 448,669.44
  4. Step 4: Simplify right side
    827,917.20x = 557,289,762,981.58
  5. Step 5: Solve for x
    x = 557,289,762,981.58/827,917.20
  6. Step 6: Final answer
    x = 673,122.58

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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.