Home / 899,739.97-1,241,641.44-491,843.61

Finding the Fourth Proportional to 899,739.97, 1,241,641.44 and 491,843.61

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Solution

The fourth proportional to 899,739.97, 1,241,641.44 and 491,843.61 is: 678,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,739.97 : 1,241,641.44 = 491,843.61 : x
  2. Step 2: Convert to fraction form
    899,739.97/1,241,641.44 = 491,843.61/x
  3. Step 3: Cross multiply
    899,739.97x = 1,241,641.44 × 491,843.61
  4. Step 4: Simplify right side
    899,739.97x = 610,693,408,175.20
  5. Step 5: Solve for x
    x = 610,693,408,175.20/899,739.97
  6. Step 6: Final answer
    x = 678,744.34

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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.