Finding the Fourth Proportional to 837,658.26, 1,255,740.30 and 304,806.78
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Solution
The fourth proportional to 837,658.26, 1,255,740.30 and 304,806.78 is: 456,938.32
Step by Step Solution
- Step 1: Write the proportion equation
837,658.26 : 1,255,740.30 = 304,806.78 : x - Step 2: Convert to fraction form
837,658.26/1,255,740.30 = 304,806.78/x - Step 3: Cross multiply
837,658.26x = 1,255,740.30 × 304,806.78 - Step 4: Simplify right side
837,658.26x = 382,758,157,359.23 - Step 5: Solve for x
x = 382,758,157,359.23/837,658.26 - Step 6: Final answer
x = 456,938.32
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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.