Home / 481,972.80-722,829.60-145,012.80

Finding the Fourth Proportional to 481,972.80, 722,829.60 and 145,012.80

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Solution

The fourth proportional to 481,972.80, 722,829.60 and 145,012.80 is: 217,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,972.80 : 722,829.60 = 145,012.80 : x
  2. Step 2: Convert to fraction form
    481,972.80/722,829.60 = 145,012.80/x
  3. Step 3: Cross multiply
    481,972.80x = 722,829.60 × 145,012.80
  4. Step 4: Simplify right side
    481,972.80x = 104,819,544,218.88
  5. Step 5: Solve for x
    x = 104,819,544,218.88/481,972.80
  6. Step 6: Final answer
    x = 217,480.21

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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.