Home / 852,981.78-1,279,474.32-221,894.58

Finding the Fourth Proportional to 852,981.78, 1,279,474.32 and 221,894.58

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Solution

The fourth proportional to 852,981.78, 1,279,474.32 and 221,894.58 is: 332,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,981.78 : 1,279,474.32 = 221,894.58 : x
  2. Step 2: Convert to fraction form
    852,981.78/1,279,474.32 = 221,894.58/x
  3. Step 3: Cross multiply
    852,981.78x = 1,279,474.32 × 221,894.58
  4. Step 4: Simplify right side
    852,981.78x = 283,908,416,857.19
  5. Step 5: Solve for x
    x = 283,908,416,857.19/852,981.78
  6. Step 6: Final answer
    x = 332,842.30

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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.