Finding the Fourth Proportional to 431,660.80, 603,537.80 and 431,660.80
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Solution
The fourth proportional to 431,660.80, 603,537.80 and 431,660.80 is: 603,537.80
Step by Step Solution
- Step 1: Write the proportion equation
431,660.80 : 603,537.80 = 431,660.80 : x - Step 2: Convert to fraction form
431,660.80/603,537.80 = 431,660.80/x - Step 3: Cross multiply
431,660.80x = 603,537.80 × 431,660.80 - Step 4: Simplify right side
431,660.80x = 260,523,609,578.24 - Step 5: Solve for x
x = 260,523,609,578.24/431,660.80 - Step 6: Final answer
x = 603,537.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.