Finding the Fourth Proportional to 828,604.29, 1,241,772.42 and 626,033.85
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Solution
The fourth proportional to 828,604.29, 1,241,772.42 and 626,033.85 is: 938,193.99
Step by Step Solution
- Step 1: Write the proportion equation
828,604.29 : 1,241,772.42 = 626,033.85 : x - Step 2: Convert to fraction form
828,604.29/1,241,772.42 = 626,033.85/x - Step 3: Cross multiply
828,604.29x = 1,241,772.42 × 626,033.85 - Step 4: Simplify right side
828,604.29x = 777,391,568,916.42 - Step 5: Solve for x
x = 777,391,568,916.42/828,604.29 - Step 6: Final answer
x = 938,193.99
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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.