Finding the Fourth Proportional to 887,821.70, 1,332,680.25 and 382,631.99
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Solution
The fourth proportional to 887,821.70, 1,332,680.25 and 382,631.99 is: 574,356.43
Step by Step Solution
- Step 1: Write the proportion equation
887,821.70 : 1,332,680.25 = 382,631.99 : x - Step 2: Convert to fraction form
887,821.70/1,332,680.25 = 382,631.99/x - Step 3: Cross multiply
887,821.70x = 1,332,680.25 × 382,631.99 - Step 4: Simplify right side
887,821.70x = 509,926,100,857.77 - Step 5: Solve for x
x = 509,926,100,857.77/887,821.70 - Step 6: Final answer
x = 574,356.43
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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.