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Finding the Fourth Proportional to 543,652.52, 750,249.76 and 298,647.61

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Solution

The fourth proportional to 543,652.52, 750,249.76 and 298,647.61 is: 412,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,652.52 : 750,249.76 = 298,647.61 : x
  2. Step 2: Convert to fraction form
    543,652.52/750,249.76 = 298,647.61/x
  3. Step 3: Cross multiply
    543,652.52x = 750,249.76 × 298,647.61
  4. Step 4: Simplify right side
    543,652.52x = 224,060,297,918.27
  5. Step 5: Solve for x
    x = 224,060,297,918.27/543,652.52
  6. Step 6: Final answer
    x = 412,138.80

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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.