Home / 852,983.78-1,279,477.32-221,896.58

Finding the Fourth Proportional to 852,983.78, 1,279,477.32 and 221,896.58

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Solution

The fourth proportional to 852,983.78, 1,279,477.32 and 221,896.58 is: 332,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,983.78 : 1,279,477.32 = 221,896.58 : x
  2. Step 2: Convert to fraction form
    852,983.78/1,279,477.32 = 221,896.58/x
  3. Step 3: Cross multiply
    852,983.78x = 1,279,477.32 × 221,896.58
  4. Step 4: Simplify right side
    852,983.78x = 283,911,641,495.57
  5. Step 5: Solve for x
    x = 283,911,641,495.57/852,983.78
  6. Step 6: Final answer
    x = 332,845.30

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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.