Finding the Fourth Proportional to 911,284.92, 1,366,965.36 and 312,657.84
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Solution
The fourth proportional to 911,284.92, 1,366,965.36 and 312,657.84 is: 468,999.79
Step by Step Solution
- Step 1: Write the proportion equation
911,284.92 : 1,366,965.36 = 312,657.84 : x - Step 2: Convert to fraction form
911,284.92/1,366,965.36 = 312,657.84/x - Step 3: Cross multiply
911,284.92x = 1,366,965.36 × 312,657.84 - Step 4: Simplify right side
911,284.92x = 427,392,436,812.42 - Step 5: Solve for x
x = 427,392,436,812.42/911,284.92 - Step 6: Final answer
x = 468,999.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.