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Finding the Fourth Proportional to 550,249.48, 759,021.84 and 345,976.66

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Solution

The fourth proportional to 550,249.48, 759,021.84 and 345,976.66 is: 477,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,249.48 : 759,021.84 = 345,976.66 : x
  2. Step 2: Convert to fraction form
    550,249.48/759,021.84 = 345,976.66/x
  3. Step 3: Cross multiply
    550,249.48x = 759,021.84 × 345,976.66
  4. Step 4: Simplify right side
    550,249.48x = 262,603,841,070.25
  5. Step 5: Solve for x
    x = 262,603,841,070.25/550,249.48
  6. Step 6: Final answer
    x = 477,245.05

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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.