Finding the Fourth Proportional to 922,531.92, 1,383,965.16 and 417,330.88
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Solution
The fourth proportional to 922,531.92, 1,383,965.16 and 417,330.88 is: 626,071.99
Step by Step Solution
- Step 1: Write the proportion equation
922,531.92 : 1,383,965.16 = 417,330.88 : x - Step 2: Convert to fraction form
922,531.92/1,383,965.16 = 417,330.88/x - Step 3: Cross multiply
922,531.92x = 1,383,965.16 × 417,330.88 - Step 4: Simplify right side
922,531.92x = 577,571,398,112.14 - Step 5: Solve for x
x = 577,571,398,112.14/922,531.92 - Step 6: Final answer
x = 626,071.99
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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.