Finding the Fourth Proportional to 845,081.75, 1,268,888.97 and 731,579.69
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Solution
The fourth proportional to 845,081.75, 1,268,888.97 and 731,579.69 is: 1,098,465.80
Step by Step Solution
- Step 1: Write the proportion equation
845,081.75 : 1,268,888.97 = 731,579.69 : x - Step 2: Convert to fraction form
845,081.75/1,268,888.97 = 731,579.69/x - Step 3: Cross multiply
845,081.75x = 1,268,888.97 × 731,579.69 - Step 4: Simplify right side
845,081.75x = 928,293,392,972.58 - Step 5: Solve for x
x = 928,293,392,972.58/845,081.75 - Step 6: Final answer
x = 1,098,465.80
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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.