Home / 776,508.80-1,164,222.78-343,991.34

Finding the Fourth Proportional to 776,508.80, 1,164,222.78 and 343,991.34

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Solution

The fourth proportional to 776,508.80, 1,164,222.78 and 343,991.34 is: 515,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,508.80 : 1,164,222.78 = 343,991.34 : x
  2. Step 2: Convert to fraction form
    776,508.80/1,164,222.78 = 343,991.34/x
  3. Step 3: Cross multiply
    776,508.80x = 1,164,222.78 × 343,991.34
  4. Step 4: Simplify right side
    776,508.80x = 400,482,554,150.73
  5. Step 5: Solve for x
    x = 400,482,554,150.73/776,508.80
  6. Step 6: Final answer
    x = 515,747.61

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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.