Home / 907,842.20-1,361,957.70-276,819.80

Finding the Fourth Proportional to 907,842.20, 1,361,957.70 and 276,819.80

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Solution

The fourth proportional to 907,842.20, 1,361,957.70 and 276,819.80 is: 415,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,842.20 : 1,361,957.70 = 276,819.80 : x
  2. Step 2: Convert to fraction form
    907,842.20/1,361,957.70 = 276,819.80/x
  3. Step 3: Cross multiply
    907,842.20x = 1,361,957.70 × 276,819.80
  4. Step 4: Simplify right side
    907,842.20x = 377,016,858,122.46
  5. Step 5: Solve for x
    x = 377,016,858,122.46/907,842.20
  6. Step 6: Final answer
    x = 415,288.98

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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.