Finding the Fourth Proportional to 641,596.26, 885,624.18 and 369,772.74
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Solution
The fourth proportional to 641,596.26, 885,624.18 and 369,772.74 is: 510,413.95
Step by Step Solution
- Step 1: Write the proportion equation
641,596.26 : 885,624.18 = 369,772.74 : x - Step 2: Convert to fraction form
641,596.26/885,624.18 = 369,772.74/x - Step 3: Cross multiply
641,596.26x = 885,624.18 × 369,772.74 - Step 4: Simplify right side
641,596.26x = 327,479,679,648.85 - Step 5: Solve for x
x = 327,479,679,648.85/641,596.26 - Step 6: Final answer
x = 510,413.95
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1.5x scale
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.