Home / 852,995.84-1,279,495.28-221,908.64

Finding the Fourth Proportional to 852,995.84, 1,279,495.28 and 221,908.64

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Solution

The fourth proportional to 852,995.84, 1,279,495.28 and 221,908.64 is: 332,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,995.84 : 1,279,495.28 = 221,908.64 : x
  2. Step 2: Convert to fraction form
    852,995.84/1,279,495.28 = 221,908.64/x
  3. Step 3: Cross multiply
    852,995.84x = 1,279,495.28 × 221,908.64
  4. Step 4: Simplify right side
    852,995.84x = 283,931,057,471.22
  5. Step 5: Solve for x
    x = 283,931,057,471.22/852,995.84
  6. Step 6: Final answer
    x = 332,863.36

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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.