Home / 852,977.78-1,279,468.30-221,890.58

Finding the Fourth Proportional to 852,977.78, 1,279,468.30 and 221,890.58

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Solution

The fourth proportional to 852,977.78, 1,279,468.30 and 221,890.58 is: 332,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,977.78 : 1,279,468.30 = 221,890.58 : x
  2. Step 2: Convert to fraction form
    852,977.78/1,279,468.30 = 221,890.58/x
  3. Step 3: Cross multiply
    852,977.78x = 1,279,468.30 × 221,890.58
  4. Step 4: Simplify right side
    852,977.78x = 283,901,963,178.61
  5. Step 5: Solve for x
    x = 283,901,963,178.61/852,977.78
  6. Step 6: Final answer
    x = 332,836.29

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1.5x scale

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.