Home / 854,436.33-1,179,118.98-481,869.63

Finding the Fourth Proportional to 854,436.33, 1,179,118.98 and 481,869.63

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Solution

The fourth proportional to 854,436.33, 1,179,118.98 and 481,869.63 is: 664,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,436.33 : 1,179,118.98 = 481,869.63 : x
  2. Step 2: Convert to fraction form
    854,436.33/1,179,118.98 = 481,869.63/x
  3. Step 3: Cross multiply
    854,436.33x = 1,179,118.98 × 481,869.63
  4. Step 4: Simplify right side
    854,436.33x = 568,181,626,618.58
  5. Step 5: Solve for x
    x = 568,181,626,618.58/854,436.33
  6. Step 6: Final answer
    x = 664,978.31

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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.