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Finding the Fourth Proportional to 504,008.12, 756,049.09 and 200,520.87

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Solution

The fourth proportional to 504,008.12, 756,049.09 and 200,520.87 is: 300,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,008.12 : 756,049.09 = 200,520.87 : x
  2. Step 2: Convert to fraction form
    504,008.12/756,049.09 = 200,520.87/x
  3. Step 3: Cross multiply
    504,008.12x = 756,049.09 × 200,520.87
  4. Step 4: Simplify right side
    504,008.12x = 151,603,618,329.00
  5. Step 5: Solve for x
    x = 151,603,618,329.00/504,008.12
  6. Step 6: Final answer
    x = 300,795.98

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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.