Home / 839,974.06-1,259,610.76-263,448.80

Finding the Fourth Proportional to 839,974.06, 1,259,610.76 and 263,448.80

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Solution

The fourth proportional to 839,974.06, 1,259,610.76 and 263,448.80 is: 395,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,974.06 : 1,259,610.76 = 263,448.80 : x
  2. Step 2: Convert to fraction form
    839,974.06/1,259,610.76 = 263,448.80/x
  3. Step 3: Cross multiply
    839,974.06x = 1,259,610.76 × 263,448.80
  4. Step 4: Simplify right side
    839,974.06x = 331,842,940,461.99
  5. Step 5: Solve for x
    x = 331,842,940,461.99/839,974.06
  6. Step 6: Final answer
    x = 395,063.32

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1.5x scale

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.