Finding the Fourth Proportional to 668,591.25, 922,639.30 and 374,236.84
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Solution
The fourth proportional to 668,591.25, 922,639.30 and 374,236.84 is: 516,437.53
Step by Step Solution
- Step 1: Write the proportion equation
668,591.25 : 922,639.30 = 374,236.84 : x - Step 2: Convert to fraction form
668,591.25/922,639.30 = 374,236.84/x - Step 3: Cross multiply
668,591.25x = 922,639.30 × 374,236.84 - Step 4: Simplify right side
668,591.25x = 345,285,616,091.81 - Step 5: Solve for x
x = 345,285,616,091.81/668,591.25 - Step 6: Final answer
x = 516,437.53
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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.