Finding the Fourth Proportional to 819,696.06, 1,131,129.36 and 452,177.45
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Solution
The fourth proportional to 819,696.06, 1,131,129.36 and 452,177.45 is: 623,976.63
Step by Step Solution
- Step 1: Write the proportion equation
819,696.06 : 1,131,129.36 = 452,177.45 : x - Step 2: Convert to fraction form
819,696.06/1,131,129.36 = 452,177.45/x - Step 3: Cross multiply
819,696.06x = 1,131,129.36 × 452,177.45 - Step 4: Simplify right side
819,696.06x = 511,471,183,757.97 - Step 5: Solve for x
x = 511,471,183,757.97/819,696.06 - Step 6: Final answer
x = 623,976.63
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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.