Home / 690,425.38-1,035,674.97-217,147.64

Finding the Fourth Proportional to 690,425.38, 1,035,674.97 and 217,147.64

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Solution

The fourth proportional to 690,425.38, 1,035,674.97 and 217,147.64 is: 325,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,425.38 : 1,035,674.97 = 217,147.64 : x
  2. Step 2: Convert to fraction form
    690,425.38/1,035,674.97 = 217,147.64/x
  3. Step 3: Cross multiply
    690,425.38x = 1,035,674.97 × 217,147.64
  4. Step 4: Simplify right side
    690,425.38x = 224,894,375,542.57
  5. Step 5: Solve for x
    x = 224,894,375,542.57/690,425.38
  6. Step 6: Final answer
    x = 325,733.07

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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.