Home / 854,827.82-1,179,546.83-487,352.36

Finding the Fourth Proportional to 854,827.82, 1,179,546.83 and 487,352.36

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Solution

The fourth proportional to 854,827.82, 1,179,546.83 and 487,352.36 is: 672,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,827.82 : 1,179,546.83 = 487,352.36 : x
  2. Step 2: Convert to fraction form
    854,827.82/1,179,546.83 = 487,352.36/x
  3. Step 3: Cross multiply
    854,827.82x = 1,179,546.83 × 487,352.36
  4. Step 4: Simplify right side
    854,827.82x = 574,854,927,276.33
  5. Step 5: Solve for x
    x = 574,854,927,276.33/854,827.82
  6. Step 6: Final answer
    x = 672,480.37

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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.