Home / 816,286.58-1,224,440.12-217,244.04

Finding the Fourth Proportional to 816,286.58, 1,224,440.12 and 217,244.04

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Solution

The fourth proportional to 816,286.58, 1,224,440.12 and 217,244.04 is: 325,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,286.58 : 1,224,440.12 = 217,244.04 : x
  2. Step 2: Convert to fraction form
    816,286.58/1,224,440.12 = 217,244.04/x
  3. Step 3: Cross multiply
    816,286.58x = 1,224,440.12 × 217,244.04
  4. Step 4: Simplify right side
    816,286.58x = 266,002,317,320.67
  5. Step 5: Solve for x
    x = 266,002,317,320.67/816,286.58
  6. Step 6: Final answer
    x = 325,868.79

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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.