Finding the Fourth Proportional to 754,748.70, 1,132,742.70 and 748,843.80
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Solution
The fourth proportional to 754,748.70, 1,132,742.70 and 748,843.80 is: 1,123,880.50
Step by Step Solution
- Step 1: Write the proportion equation
754,748.70 : 1,132,742.70 = 748,843.80 : x - Step 2: Convert to fraction form
754,748.70/1,132,742.70 = 748,843.80/x - Step 3: Cross multiply
754,748.70x = 1,132,742.70 × 748,843.80 - Step 4: Simplify right side
754,748.70x = 848,247,347,890.26 - Step 5: Solve for x
x = 848,247,347,890.26/754,748.70 - Step 6: Final answer
x = 1,123,880.50
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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.