Finding the Fourth Proportional to 855,738.91, 1,281,716.31 and 585,225.96
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Solution
The fourth proportional to 855,738.91, 1,281,716.31 and 585,225.96 is: 876,544.99
Step by Step Solution
- Step 1: Write the proportion equation
855,738.91 : 1,281,716.31 = 585,225.96 : x - Step 2: Convert to fraction form
855,738.91/1,281,716.31 = 585,225.96/x - Step 3: Cross multiply
855,738.91x = 1,281,716.31 × 585,225.96 - Step 4: Simplify right side
855,738.91x = 750,093,657,967.41 - Step 5: Solve for x
x = 750,093,657,967.41/855,738.91 - Step 6: Final answer
x = 876,544.99
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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.