Finding the Fourth Proportional to 820,369.62, 1,132,110.30 and 452,846.99
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Solution
The fourth proportional to 820,369.62, 1,132,110.30 and 452,846.99 is: 624,928.96
Step by Step Solution
- Step 1: Write the proportion equation
820,369.62 : 1,132,110.30 = 452,846.99 : x - Step 2: Convert to fraction form
820,369.62/1,132,110.30 = 452,846.99/x - Step 3: Cross multiply
820,369.62x = 1,132,110.30 × 452,846.99 - Step 4: Simplify right side
820,369.62x = 512,672,736,042.45 - Step 5: Solve for x
x = 512,672,736,042.45/820,369.62 - Step 6: Final answer
x = 624,928.96
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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.