Home / 744,403.94-1,116,004.44-288,759.90

Finding the Fourth Proportional to 744,403.94, 1,116,004.44 and 288,759.90

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Solution

The fourth proportional to 744,403.94, 1,116,004.44 and 288,759.90 is: 432,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,403.94 : 1,116,004.44 = 288,759.90 : x
  2. Step 2: Convert to fraction form
    744,403.94/1,116,004.44 = 288,759.90/x
  3. Step 3: Cross multiply
    744,403.94x = 1,116,004.44 × 288,759.90
  4. Step 4: Simplify right side
    744,403.94x = 322,257,330,493.96
  5. Step 5: Solve for x
    x = 322,257,330,493.96/744,403.94
  6. Step 6: Final answer
    x = 432,906.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.