Finding the Fourth Proportional to 731,107.98, 1,008,923.31 and 408,818.70
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Solution
The fourth proportional to 731,107.98, 1,008,923.31 and 408,818.70 is: 564,166.62
Step by Step Solution
- Step 1: Write the proportion equation
731,107.98 : 1,008,923.31 = 408,818.70 : x - Step 2: Convert to fraction form
731,107.98/1,008,923.31 = 408,818.70/x - Step 3: Cross multiply
731,107.98x = 1,008,923.31 × 408,818.70 - Step 4: Simplify right side
731,107.98x = 412,466,715,993.90 - Step 5: Solve for x
x = 412,466,715,993.90/731,107.98 - Step 6: Final answer
x = 564,166.62
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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.