Home / 863,324.40-1,191,400.92-481,338.48

Finding the Fourth Proportional to 863,324.40, 1,191,400.92 and 481,338.48

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Solution

The fourth proportional to 863,324.40, 1,191,400.92 and 481,338.48 is: 664,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,324.40 : 1,191,400.92 = 481,338.48 : x
  2. Step 2: Convert to fraction form
    863,324.40/1,191,400.92 = 481,338.48/x
  3. Step 3: Cross multiply
    863,324.40x = 1,191,400.92 × 481,338.48
  4. Step 4: Simplify right side
    863,324.40x = 573,467,107,903.40
  5. Step 5: Solve for x
    x = 573,467,107,903.40/863,324.40
  6. Step 6: Final answer
    x = 664,254.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.