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Finding the Fourth Proportional to 539,488.77, 808,974.96 and 254,941.85

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Solution

The fourth proportional to 539,488.77, 808,974.96 and 254,941.85 is: 382,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,488.77 : 808,974.96 = 254,941.85 : x
  2. Step 2: Convert to fraction form
    539,488.77/808,974.96 = 254,941.85/x
  3. Step 3: Cross multiply
    539,488.77x = 808,974.96 × 254,941.85
  4. Step 4: Simplify right side
    539,488.77x = 206,241,568,861.20
  5. Step 5: Solve for x
    x = 206,241,568,861.20/539,488.77
  6. Step 6: Final answer
    x = 382,290.75

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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.