Home / 681,093.20-1,021,109.64-440,699.17

Finding the Fourth Proportional to 681,093.20, 1,021,109.64 and 440,699.17

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Solution

The fourth proportional to 681,093.20, 1,021,109.64 and 440,699.17 is: 660,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,093.20 : 1,021,109.64 = 440,699.17 : x
  2. Step 2: Convert to fraction form
    681,093.20/1,021,109.64 = 440,699.17/x
  3. Step 3: Cross multiply
    681,093.20x = 1,021,109.64 × 440,699.17
  4. Step 4: Simplify right side
    681,093.20x = 450,002,165,721.45
  5. Step 5: Solve for x
    x = 450,002,165,721.45/681,093.20
  6. Step 6: Final answer
    x = 660,705.71

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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.