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Finding the Fourth Proportional to 503,896.20, 755,844.30 and 479,401.80

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Solution

The fourth proportional to 503,896.20, 755,844.30 and 479,401.80 is: 719,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,896.20 : 755,844.30 = 479,401.80 : x
  2. Step 2: Convert to fraction form
    503,896.20/755,844.30 = 479,401.80/x
  3. Step 3: Cross multiply
    503,896.20x = 755,844.30 × 479,401.80
  4. Step 4: Simplify right side
    503,896.20x = 362,353,117,939.74
  5. Step 5: Solve for x
    x = 362,353,117,939.74/503,896.20
  6. Step 6: Final answer
    x = 719,102.70

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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.