Home / 481,975.80-722,834.10-145,015.80

Finding the Fourth Proportional to 481,975.80, 722,834.10 and 145,015.80

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Solution

The fourth proportional to 481,975.80, 722,834.10 and 145,015.80 is: 217,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,975.80 : 722,834.10 = 145,015.80 : x
  2. Step 2: Convert to fraction form
    481,975.80/722,834.10 = 145,015.80/x
  3. Step 3: Cross multiply
    481,975.80x = 722,834.10 × 145,015.80
  4. Step 4: Simplify right side
    481,975.80x = 104,822,365,278.78
  5. Step 5: Solve for x
    x = 104,822,365,278.78/481,975.80
  6. Step 6: Final answer
    x = 217,484.71

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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.