Home / 899,744.33-1,241,646.99-491,847.86

Finding the Fourth Proportional to 899,744.33, 1,241,646.99 and 491,847.86

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Solution

The fourth proportional to 899,744.33, 1,241,646.99 and 491,847.86 is: 678,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,744.33 : 1,241,646.99 = 491,847.86 : x
  2. Step 2: Convert to fraction form
    899,744.33/1,241,646.99 = 491,847.86/x
  3. Step 3: Cross multiply
    899,744.33x = 1,241,646.99 × 491,847.86
  4. Step 4: Simplify right side
    899,744.33x = 610,701,414,906.94
  5. Step 5: Solve for x
    x = 610,701,414,906.94/899,744.33
  6. Step 6: Final answer
    x = 678,749.95

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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.