Finding the Fourth Proportional to 738,310.10, 1,107,465.15 and 731,311.70
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Solution
The fourth proportional to 738,310.10, 1,107,465.15 and 731,311.70 is: 1,096,967.55
Step by Step Solution
- Step 1: Write the proportion equation
738,310.10 : 1,107,465.15 = 731,311.70 : x - Step 2: Convert to fraction form
738,310.10/1,107,465.15 = 731,311.70/x - Step 3: Cross multiply
738,310.10x = 1,107,465.15 × 731,311.70 - Step 4: Simplify right side
738,310.10x = 809,902,221,537.26 - Step 5: Solve for x
x = 809,902,221,537.26/738,310.10 - Step 6: Final answer
x = 1,096,967.55
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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.