Home / 854,220.16-1,179,120.66-491,788.44

Finding the Fourth Proportional to 854,220.16, 1,179,120.66 and 491,788.44

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Solution

The fourth proportional to 854,220.16, 1,179,120.66 and 491,788.44 is: 678,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,220.16 : 1,179,120.66 = 491,788.44 : x
  2. Step 2: Convert to fraction form
    854,220.16/1,179,120.66 = 491,788.44/x
  3. Step 3: Cross multiply
    854,220.16x = 1,179,120.66 × 491,788.44
  4. Step 4: Simplify right side
    854,220.16x = 579,877,909,953.17
  5. Step 5: Solve for x
    x = 579,877,909,953.17/854,220.16
  6. Step 6: Final answer
    x = 678,838.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.