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Finding the Fourth Proportional to 504,286.64, 756,485.36 and 251,630.72

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Solution

The fourth proportional to 504,286.64, 756,485.36 and 251,630.72 is: 377,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,286.64 : 756,485.36 = 251,630.72 : x
  2. Step 2: Convert to fraction form
    504,286.64/756,485.36 = 251,630.72/x
  3. Step 3: Cross multiply
    504,286.64x = 756,485.36 × 251,630.72
  4. Step 4: Simplify right side
    504,286.64x = 190,354,955,806.26
  5. Step 5: Solve for x
    x = 190,354,955,806.26/504,286.64
  6. Step 6: Final answer
    x = 377,473.72

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Similar ratio
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1.5x scale

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.