Finding the Fourth Proportional to 775,474.97, 1,068,969.42 and 545,405.31
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Solution
The fourth proportional to 775,474.97, 1,068,969.42 and 545,405.31 is: 751,825.16
Step by Step Solution
- Step 1: Write the proportion equation
775,474.97 : 1,068,969.42 = 545,405.31 : x - Step 2: Convert to fraction form
775,474.97/1,068,969.42 = 545,405.31/x - Step 3: Cross multiply
775,474.97x = 1,068,969.42 × 545,405.31 - Step 4: Simplify right side
775,474.97x = 583,021,595,932.26 - Step 5: Solve for x
x = 583,021,595,932.26/775,474.97 - Step 6: Final answer
x = 751,825.16
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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.