Finding the Fourth Proportional to 738,879.62, 1,018,973.46 and 466,474.18
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Solution
The fourth proportional to 738,879.62, 1,018,973.46 and 466,474.18 is: 643,304.80
Step by Step Solution
- Step 1: Write the proportion equation
738,879.62 : 1,018,973.46 = 466,474.18 : x - Step 2: Convert to fraction form
738,879.62/1,018,973.46 = 466,474.18/x - Step 3: Cross multiply
738,879.62x = 1,018,973.46 × 466,474.18 - Step 4: Simplify right side
738,879.62x = 475,324,809,195.26 - Step 5: Solve for x
x = 475,324,809,195.26/738,879.62 - Step 6: Final answer
x = 643,304.80
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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.