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Finding the Fourth Proportional to 651,704.37, 978,084.67 and 336,251.49

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Solution

The fourth proportional to 651,704.37, 978,084.67 and 336,251.49 is: 504,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,704.37 : 978,084.67 = 336,251.49 : x
  2. Step 2: Convert to fraction form
    651,704.37/978,084.67 = 336,251.49/x
  3. Step 3: Cross multiply
    651,704.37x = 978,084.67 × 336,251.49
  4. Step 4: Simplify right side
    651,704.37x = 328,882,427,633.66
  5. Step 5: Solve for x
    x = 328,882,427,633.66/651,704.37
  6. Step 6: Final answer
    x = 504,649.72

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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.