Finding the Fourth Proportional to 848,449.36, 1,272,403.50 and 279,724.48
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Solution
The fourth proportional to 848,449.36, 1,272,403.50 and 279,724.48 is: 419,497.53
Step by Step Solution
- Step 1: Write the proportion equation
848,449.36 : 1,272,403.50 = 279,724.48 : x - Step 2: Convert to fraction form
848,449.36/1,272,403.50 = 279,724.48/x - Step 3: Cross multiply
848,449.36x = 1,272,403.50 × 279,724.48 - Step 4: Simplify right side
848,449.36x = 355,922,407,387.68 - Step 5: Solve for x
x = 355,922,407,387.68/848,449.36 - Step 6: Final answer
x = 419,497.53
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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.