Finding the Fourth Proportional to 891,043.20, 1,336,623.04 and 259,904
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Solution
The fourth proportional to 891,043.20, 1,336,623.04 and 259,904 is: 389,872.99
Step by Step Solution
- Step 1: Write the proportion equation
891,043.20 : 1,336,623.04 = 259,904 : x - Step 2: Convert to fraction form
891,043.20/1,336,623.04 = 259,904/x - Step 3: Cross multiply
891,043.20x = 1,336,623.04 × 259,904 - Step 4: Simplify right side
891,043.20x = 347,393,674,588.16 - Step 5: Solve for x
x = 347,393,674,588.16/891,043.20 - Step 6: Final answer
x = 389,872.99
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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.