Home / 820,007.46-1,131,611.45-475,910.55

Finding the Fourth Proportional to 820,007.46, 1,131,611.45 and 475,910.55

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Solution

The fourth proportional to 820,007.46, 1,131,611.45 and 475,910.55 is: 656,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,007.46 : 1,131,611.45 = 475,910.55 : x
  2. Step 2: Convert to fraction form
    820,007.46/1,131,611.45 = 475,910.55/x
  3. Step 3: Cross multiply
    820,007.46x = 1,131,611.45 × 475,910.55
  4. Step 4: Simplify right side
    820,007.46x = 538,545,825,176.25
  5. Step 5: Solve for x
    x = 538,545,825,176.25/820,007.46
  6. Step 6: Final answer
    x = 656,757.23

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1.5x scale

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.