Finding the Fourth Proportional to 826,983.05, 1,143,283.37 and 819,408.74
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Solution
The fourth proportional to 826,983.05, 1,143,283.37 and 819,408.74 is: 1,132,812.07
Step by Step Solution
- Step 1: Write the proportion equation
826,983.05 : 1,143,283.37 = 819,408.74 : x - Step 2: Convert to fraction form
826,983.05/1,143,283.37 = 819,408.74/x - Step 3: Cross multiply
826,983.05x = 1,143,283.37 × 819,408.74 - Step 4: Simplify right side
826,983.05x = 936,816,375,861.19 - Step 5: Solve for x
x = 936,816,375,861.19/826,983.05 - Step 6: Final answer
x = 1,132,812.07
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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.