Home / 852,737.80-1,279,007.47-221,700.82

Finding the Fourth Proportional to 852,737.80, 1,279,007.47 and 221,700.82

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Solution

The fourth proportional to 852,737.80, 1,279,007.47 and 221,700.82 is: 332,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,737.80 : 1,279,007.47 = 221,700.82 : x
  2. Step 2: Convert to fraction form
    852,737.80/1,279,007.47 = 221,700.82/x
  3. Step 3: Cross multiply
    852,737.80x = 1,279,007.47 × 221,700.82
  4. Step 4: Simplify right side
    852,737.80x = 283,557,004,885.13
  5. Step 5: Solve for x
    x = 283,557,004,885.13/852,737.80
  6. Step 6: Final answer
    x = 332,525.43

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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.