Home / 852,735.30-1,279,003.73-221,698.32

Finding the Fourth Proportional to 852,735.30, 1,279,003.73 and 221,698.32

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Solution

The fourth proportional to 852,735.30, 1,279,003.73 and 221,698.32 is: 332,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,735.30 : 1,279,003.73 = 221,698.32 : x
  2. Step 2: Convert to fraction form
    852,735.30/1,279,003.73 = 221,698.32/x
  3. Step 3: Cross multiply
    852,735.30x = 1,279,003.73 × 221,698.32
  4. Step 4: Simplify right side
    852,735.30x = 283,552,977,106.24
  5. Step 5: Solve for x
    x = 283,552,977,106.24/852,735.30
  6. Step 6: Final answer
    x = 332,521.68

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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.