Finding the Fourth Proportional to 744,219.09, 1,026,991.10 and 421,950.87
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Solution
The fourth proportional to 744,219.09, 1,026,991.10 and 421,950.87 is: 582,274.49
Step by Step Solution
- Step 1: Write the proportion equation
744,219.09 : 1,026,991.10 = 421,950.87 : x - Step 2: Convert to fraction form
744,219.09/1,026,991.10 = 421,950.87/x - Step 3: Cross multiply
744,219.09x = 1,026,991.10 × 421,950.87 - Step 4: Simplify right side
744,219.09x = 433,339,789,182.13 - Step 5: Solve for x
x = 433,339,789,182.13/744,219.09 - Step 6: Final answer
x = 582,274.49
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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.