Home / 892,491.69-1,338,999.99-359,738.49

Finding the Fourth Proportional to 892,491.69, 1,338,999.99 and 359,738.49

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Solution

The fourth proportional to 892,491.69, 1,338,999.99 and 359,738.49 is: 539,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,491.69 : 1,338,999.99 = 359,738.49 : x
  2. Step 2: Convert to fraction form
    892,491.69/1,338,999.99 = 359,738.49/x
  3. Step 3: Cross multiply
    892,491.69x = 1,338,999.99 × 359,738.49
  4. Step 4: Simplify right side
    892,491.69x = 481,689,834,512.62
  5. Step 5: Solve for x
    x = 481,689,834,512.62/892,491.69
  6. Step 6: Final answer
    x = 539,713.52

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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.