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Finding the Fourth Proportional to 504,789.95, 756,651.54 and 220,231.28

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Solution

The fourth proportional to 504,789.95, 756,651.54 and 220,231.28 is: 330,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,789.95 : 756,651.54 = 220,231.28 : x
  2. Step 2: Convert to fraction form
    504,789.95/756,651.54 = 220,231.28/x
  3. Step 3: Cross multiply
    504,789.95x = 756,651.54 × 220,231.28
  4. Step 4: Simplify right side
    504,789.95x = 166,638,337,168.17
  5. Step 5: Solve for x
    x = 166,638,337,168.17/504,789.95
  6. Step 6: Final answer
    x = 330,114.21

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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.