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Finding the Fourth Proportional to 463,882.72, 640,165 and 270,286.24

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Solution

The fourth proportional to 463,882.72, 640,165 and 270,286.24 is: 372,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,882.72 : 640,165 = 270,286.24 : x
  2. Step 2: Convert to fraction form
    463,882.72/640,165 = 270,286.24/x
  3. Step 3: Cross multiply
    463,882.72x = 640,165 × 270,286.24
  4. Step 4: Simplify right side
    463,882.72x = 173,027,790,829.60
  5. Step 5: Solve for x
    x = 173,027,790,829.60/463,882.72
  6. Step 6: Final answer
    x = 372,999.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.