Finding the Fourth Proportional to 455,096.27, 682,644.47 and 427,047.99
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Solution
The fourth proportional to 455,096.27, 682,644.47 and 427,047.99 is: 640,572.05
Step by Step Solution
- Step 1: Write the proportion equation
455,096.27 : 682,644.47 = 427,047.99 : x - Step 2: Convert to fraction form
455,096.27/682,644.47 = 427,047.99/x - Step 3: Cross multiply
455,096.27x = 682,644.47 × 427,047.99 - Step 4: Simplify right side
455,096.27x = 291,521,946,662.88 - Step 5: Solve for x
x = 291,521,946,662.88/455,096.27 - Step 6: Final answer
x = 640,572.05
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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.