Home / 899,745.33-1,241,648.37-491,848.86

Finding the Fourth Proportional to 899,745.33, 1,241,648.37 and 491,848.86

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Solution

The fourth proportional to 899,745.33, 1,241,648.37 and 491,848.86 is: 678,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,745.33 : 1,241,648.37 = 491,848.86 : x
  2. Step 2: Convert to fraction form
    899,745.33/1,241,648.37 = 491,848.86/x
  3. Step 3: Cross multiply
    899,745.33x = 1,241,648.37 × 491,848.86
  4. Step 4: Simplify right side
    899,745.33x = 610,703,335,305.36
  5. Step 5: Solve for x
    x = 610,703,335,305.36/899,745.33
  6. Step 6: Final answer
    x = 678,751.33

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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.