Finding the Fourth Proportional to 693,790.40, 1,040,211.99 and 369,626.99
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Solution
The fourth proportional to 693,790.40, 1,040,211.99 and 369,626.99 is: 554,188.15
Step by Step Solution
- Step 1: Write the proportion equation
693,790.40 : 1,040,211.99 = 369,626.99 : x - Step 2: Convert to fraction form
693,790.40/1,040,211.99 = 369,626.99/x - Step 3: Cross multiply
693,790.40x = 1,040,211.99 × 369,626.99 - Step 4: Simplify right side
693,790.40x = 384,490,421,624.55 - Step 5: Solve for x
x = 384,490,421,624.55/693,790.40 - Step 6: Final answer
x = 554,188.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.