Home / 694,715.76-1,042,033.32-268,168.14

Finding the Fourth Proportional to 694,715.76, 1,042,033.32 and 268,168.14

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Solution

The fourth proportional to 694,715.76, 1,042,033.32 and 268,168.14 is: 402,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,715.76 : 1,042,033.32 = 268,168.14 : x
  2. Step 2: Convert to fraction form
    694,715.76/1,042,033.32 = 268,168.14/x
  3. Step 3: Cross multiply
    694,715.76x = 1,042,033.32 × 268,168.14
  4. Step 4: Simplify right side
    694,715.76x = 279,440,137,242.43
  5. Step 5: Solve for x
    x = 279,440,137,242.43/694,715.76
  6. Step 6: Final answer
    x = 402,236.65

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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.