Home / 856,852.66-1,182,186.49-494,227.90

Finding the Fourth Proportional to 856,852.66, 1,182,186.49 and 494,227.90

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Solution

The fourth proportional to 856,852.66, 1,182,186.49 and 494,227.90 is: 681,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,852.66 : 1,182,186.49 = 494,227.90 : x
  2. Step 2: Convert to fraction form
    856,852.66/1,182,186.49 = 494,227.90/x
  3. Step 3: Cross multiply
    856,852.66x = 1,182,186.49 × 494,227.90
  4. Step 4: Simplify right side
    856,852.66x = 584,269,546,361.07
  5. Step 5: Solve for x
    x = 584,269,546,361.07/856,852.66
  6. Step 6: Final answer
    x = 681,878.66

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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.