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Finding the Fourth Proportional to 503,021.77, 754,533.15 and 203,504.90

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Solution

The fourth proportional to 503,021.77, 754,533.15 and 203,504.90 is: 305,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,021.77 : 754,533.15 = 203,504.90 : x
  2. Step 2: Convert to fraction form
    503,021.77/754,533.15 = 203,504.90/x
  3. Step 3: Cross multiply
    503,021.77x = 754,533.15 × 203,504.90
  4. Step 4: Simplify right side
    503,021.77x = 153,551,188,701.63
  5. Step 5: Solve for x
    x = 153,551,188,701.63/503,021.77
  6. Step 6: Final answer
    x = 305,257.54

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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.