Finding the Fourth Proportional to 744,229.37, 1,027,112.79 and 438,401.99
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Solution
The fourth proportional to 744,229.37, 1,027,112.79 and 438,401.99 is: 605,039.67
Step by Step Solution
- Step 1: Write the proportion equation
744,229.37 : 1,027,112.79 = 438,401.99 : x - Step 2: Convert to fraction form
744,229.37/1,027,112.79 = 438,401.99/x - Step 3: Cross multiply
744,229.37x = 1,027,112.79 × 438,401.99 - Step 4: Simplify right side
744,229.37x = 450,288,285,954.89 - Step 5: Solve for x
x = 450,288,285,954.89/744,229.37 - Step 6: Final answer
x = 605,039.67
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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.