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Finding the Fourth Proportional to 672,249.26, 927,680.45 and 377,890.00

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Solution

The fourth proportional to 672,249.26, 927,680.45 and 377,890.00 is: 521,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,249.26 : 927,680.45 = 377,890.00 : x
  2. Step 2: Convert to fraction form
    672,249.26/927,680.45 = 377,890.00/x
  3. Step 3: Cross multiply
    672,249.26x = 927,680.45 × 377,890.00
  4. Step 4: Simplify right side
    672,249.26x = 350,561,161,041.85
  5. Step 5: Solve for x
    x = 350,561,161,041.85/672,249.26
  6. Step 6: Final answer
    x = 521,474.97

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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.