Finding the Fourth Proportional to 782,792.62, 1,173,818.84 and 303,245.02
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Solution
The fourth proportional to 782,792.62, 1,173,818.84 and 303,245.02 is: 454,724.16
Step by Step Solution
- Step 1: Write the proportion equation
782,792.62 : 1,173,818.84 = 303,245.02 : x - Step 2: Convert to fraction form
782,792.62/1,173,818.84 = 303,245.02/x - Step 3: Cross multiply
782,792.62x = 1,173,818.84 × 303,245.02 - Step 4: Simplify right side
782,792.62x = 355,954,717,612.18 - Step 5: Solve for x
x = 355,954,717,612.18/782,792.62 - Step 6: Final answer
x = 454,724.16
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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.