Home / 907,828.20-1,361,936.70-276,805.80

Finding the Fourth Proportional to 907,828.20, 1,361,936.70 and 276,805.80

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Solution

The fourth proportional to 907,828.20, 1,361,936.70 and 276,805.80 is: 415,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,828.20 : 1,361,936.70 = 276,805.80 : x
  2. Step 2: Convert to fraction form
    907,828.20/1,361,936.70 = 276,805.80/x
  3. Step 3: Cross multiply
    907,828.20x = 1,361,936.70 × 276,805.80
  4. Step 4: Simplify right side
    907,828.20x = 376,991,977,792.86
  5. Step 5: Solve for x
    x = 376,991,977,792.86/907,828.20
  6. Step 6: Final answer
    x = 415,267.97

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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.