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Finding the Fourth Proportional to 503,178.08, 755,117.02 and 325,243.76

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Solution

The fourth proportional to 503,178.08, 755,117.02 and 325,243.76 is: 488,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,178.08 : 755,117.02 = 325,243.76 : x
  2. Step 2: Convert to fraction form
    503,178.08/755,117.02 = 325,243.76/x
  3. Step 3: Cross multiply
    503,178.08x = 755,117.02 × 325,243.76
  4. Step 4: Simplify right side
    503,178.08x = 245,597,098,824.80
  5. Step 5: Solve for x
    x = 245,597,098,824.80/503,178.08
  6. Step 6: Final answer
    x = 488,091.81

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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.