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Finding the Fourth Proportional to 503,461.29, 755,193.97 and 203,947.59

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Solution

The fourth proportional to 503,461.29, 755,193.97 and 203,947.59 is: 305,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,461.29 : 755,193.97 = 203,947.59 : x
  2. Step 2: Convert to fraction form
    503,461.29/755,193.97 = 203,947.59/x
  3. Step 3: Cross multiply
    503,461.29x = 755,193.97 × 203,947.59
  4. Step 4: Simplify right side
    503,461.29x = 154,019,989,654.16
  5. Step 5: Solve for x
    x = 154,019,989,654.16/503,461.29
  6. Step 6: Final answer
    x = 305,922.21

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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.