Finding the Fourth Proportional to 674,306.91, 930,561.66 and 368,396.19
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Solution
The fourth proportional to 674,306.91, 930,561.66 and 368,396.19 is: 508,396.64
Step by Step Solution
- Step 1: Write the proportion equation
674,306.91 : 930,561.66 = 368,396.19 : x - Step 2: Convert to fraction form
674,306.91/930,561.66 = 368,396.19/x - Step 3: Cross multiply
674,306.91x = 930,561.66 × 368,396.19 - Step 4: Simplify right side
674,306.91x = 342,815,370,104.08 - Step 5: Solve for x
x = 342,815,370,104.08/674,306.91 - Step 6: Final answer
x = 508,396.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.