Finding the Fourth Proportional to 694,452.68, 1,041,778.84 and 214,717.89
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Solution
The fourth proportional to 694,452.68, 1,041,778.84 and 214,717.89 is: 322,107.70
Step by Step Solution
- Step 1: Write the proportion equation
694,452.68 : 1,041,778.84 = 214,717.89 : x - Step 2: Convert to fraction form
694,452.68/1,041,778.84 = 214,717.89/x - Step 3: Cross multiply
694,452.68x = 1,041,778.84 × 214,717.89 - Step 4: Simplify right side
694,452.68x = 223,688,554,371.45 - Step 5: Solve for x
x = 223,688,554,371.45/694,452.68 - Step 6: Final answer
x = 322,107.70
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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.