Home / 923,860.80-1,385,791.20-545,947.20

Finding the Fourth Proportional to 923,860.80, 1,385,791.20 and 545,947.20

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Solution

The fourth proportional to 923,860.80, 1,385,791.20 and 545,947.20 is: 818,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,860.80 : 1,385,791.20 = 545,947.20 : x
  2. Step 2: Convert to fraction form
    923,860.80/1,385,791.20 = 545,947.20/x
  3. Step 3: Cross multiply
    923,860.80x = 1,385,791.20 × 545,947.20
  4. Step 4: Simplify right side
    923,860.80x = 756,568,825,424.64
  5. Step 5: Solve for x
    x = 756,568,825,424.64/923,860.80
  6. Step 6: Final answer
    x = 818,920.80

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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.