Home / 876,342.33-1,209,408.84-494,360.91

Finding the Fourth Proportional to 876,342.33, 1,209,408.84 and 494,360.91

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Solution

The fourth proportional to 876,342.33, 1,209,408.84 and 494,360.91 is: 682,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,342.33 : 1,209,408.84 = 494,360.91 : x
  2. Step 2: Convert to fraction form
    876,342.33/1,209,408.84 = 494,360.91/x
  3. Step 3: Cross multiply
    876,342.33x = 1,209,408.84 × 494,360.91
  4. Step 4: Simplify right side
    876,342.33x = 597,884,454,704.45
  5. Step 5: Solve for x
    x = 597,884,454,704.45/876,342.33
  6. Step 6: Final answer
    x = 682,249.89

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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.