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Finding the Fourth Proportional to 672,354.43, 927,821.98 and 366,424.21

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Solution

The fourth proportional to 672,354.43, 927,821.98 and 366,424.21 is: 505,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,354.43 : 927,821.98 = 366,424.21 : x
  2. Step 2: Convert to fraction form
    672,354.43/927,821.98 = 366,424.21/x
  3. Step 3: Cross multiply
    672,354.43x = 927,821.98 × 366,424.21
  4. Step 4: Simplify right side
    672,354.43x = 339,976,436,042.14
  5. Step 5: Solve for x
    x = 339,976,436,042.14/672,354.43
  6. Step 6: Final answer
    x = 505,650.62

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1.5x scale

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.