Home / 839,976.09-1,259,613.80-263,450.83

Finding the Fourth Proportional to 839,976.09, 1,259,613.80 and 263,450.83

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Solution

The fourth proportional to 839,976.09, 1,259,613.80 and 263,450.83 is: 395,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,976.09 : 1,259,613.80 = 263,450.83 : x
  2. Step 2: Convert to fraction form
    839,976.09/1,259,613.80 = 263,450.83/x
  3. Step 3: Cross multiply
    839,976.09x = 1,259,613.80 × 263,450.83
  4. Step 4: Simplify right side
    839,976.09x = 331,846,301,089.45
  5. Step 5: Solve for x
    x = 331,846,301,089.45/839,976.09
  6. Step 6: Final answer
    x = 395,066.37

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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.