Finding the Fourth Proportional to 819,838.44, 1,131,373.29 and 452,305.58
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Solution
The fourth proportional to 819,838.44, 1,131,373.29 and 452,305.58 is: 624,179.62
Step by Step Solution
- Step 1: Write the proportion equation
819,838.44 : 1,131,373.29 = 452,305.58 : x - Step 2: Convert to fraction form
819,838.44/1,131,373.29 = 452,305.58/x - Step 3: Cross multiply
819,838.44x = 1,131,373.29 × 452,305.58 - Step 4: Simplify right side
819,838.44x = 511,726,448,169.24 - Step 5: Solve for x
x = 511,726,448,169.24/819,838.44 - Step 6: Final answer
x = 624,179.62
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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.