Finding the Fourth Proportional to 857,753.19, 1,183,841.37 and 475,902.99
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Solution
The fourth proportional to 857,753.19, 1,183,841.37 and 475,902.99 is: 656,824.89
Step by Step Solution
- Step 1: Write the proportion equation
857,753.19 : 1,183,841.37 = 475,902.99 : x - Step 2: Convert to fraction form
857,753.19/1,183,841.37 = 475,902.99/x - Step 3: Cross multiply
857,753.19x = 1,183,841.37 × 475,902.99 - Step 4: Simplify right side
857,753.19x = 563,393,647,668.70 - Step 5: Solve for x
x = 563,393,647,668.70/857,753.19 - Step 6: Final answer
x = 656,824.89
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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.