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Finding the Fourth Proportional to 535,808.09, 739,404.61 and 303,230.72

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Solution

The fourth proportional to 535,808.09, 739,404.61 and 303,230.72 is: 418,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,808.09 : 739,404.61 = 303,230.72 : x
  2. Step 2: Convert to fraction form
    535,808.09/739,404.61 = 303,230.72/x
  3. Step 3: Cross multiply
    535,808.09x = 739,404.61 × 303,230.72
  4. Step 4: Simplify right side
    535,808.09x = 224,210,191,046.14
  5. Step 5: Solve for x
    x = 224,210,191,046.14/535,808.09
  6. Step 6: Final answer
    x = 418,452.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.