Home / 547,201.78-822,048.22-395,865.64

Finding the Fourth Proportional to 547,201.78, 822,048.22 and 395,865.64

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Solution

The fourth proportional to 547,201.78, 822,048.22 and 395,865.64 is: 594,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,201.78 : 822,048.22 = 395,865.64 : x
  2. Step 2: Convert to fraction form
    547,201.78/822,048.22 = 395,865.64/x
  3. Step 3: Cross multiply
    547,201.78x = 822,048.22 × 395,865.64
  4. Step 4: Simplify right side
    547,201.78x = 325,420,644,721.16
  5. Step 5: Solve for x
    x = 325,420,644,721.16/547,201.78
  6. Step 6: Final answer
    x = 594,699.54

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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.