Home / 693,776.10-1,040,190.62-369,612.66

Finding the Fourth Proportional to 693,776.10, 1,040,190.62 and 369,612.66

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Solution

The fourth proportional to 693,776.10, 1,040,190.62 and 369,612.66 is: 554,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,776.10 : 1,040,190.62 = 369,612.66 : x
  2. Step 2: Convert to fraction form
    693,776.10/1,040,190.62 = 369,612.66/x
  3. Step 3: Cross multiply
    693,776.10x = 1,040,190.62 × 369,612.66
  4. Step 4: Simplify right side
    693,776.10x = 384,467,621,965.25
  5. Step 5: Solve for x
    x = 384,467,621,965.25/693,776.10
  6. Step 6: Final answer
    x = 554,166.71

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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.