Home / 855,996.71-1,284,245.01-382,571.37

Finding the Fourth Proportional to 855,996.71, 1,284,245.01 and 382,571.37

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Solution

The fourth proportional to 855,996.71, 1,284,245.01 and 382,571.37 is: 573,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,996.71 : 1,284,245.01 = 382,571.37 : x
  2. Step 2: Convert to fraction form
    855,996.71/1,284,245.01 = 382,571.37/x
  3. Step 3: Cross multiply
    855,996.71x = 1,284,245.01 × 382,571.37
  4. Step 4: Simplify right side
    855,996.71x = 491,315,372,891.36
  5. Step 5: Solve for x
    x = 491,315,372,891.36/855,996.71
  6. Step 6: Final answer
    x = 573,968.77

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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.