Finding the Fourth Proportional to 816,571.68, 1,225,106.49 and 417,492.66
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Solution
The fourth proportional to 816,571.68, 1,225,106.49 and 417,492.66 is: 626,366.28
Step by Step Solution
- Step 1: Write the proportion equation
816,571.68 : 1,225,106.49 = 417,492.66 : x - Step 2: Convert to fraction form
816,571.68/1,225,106.49 = 417,492.66/x - Step 3: Cross multiply
816,571.68x = 1,225,106.49 × 417,492.66 - Step 4: Simplify right side
816,571.68x = 511,472,967,293.36 - Step 5: Solve for x
x = 511,472,967,293.36/816,571.68 - Step 6: Final answer
x = 626,366.28
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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.