Finding the Fourth Proportional to 770,436.12, 1,155,811.79 and 264,931.42
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Solution
The fourth proportional to 770,436.12, 1,155,811.79 and 264,931.42 is: 397,451.33
Step by Step Solution
- Step 1: Write the proportion equation
770,436.12 : 1,155,811.79 = 264,931.42 : x - Step 2: Convert to fraction form
770,436.12/1,155,811.79 = 264,931.42/x - Step 3: Cross multiply
770,436.12x = 1,155,811.79 × 264,931.42 - Step 4: Simplify right side
770,436.12x = 306,210,858,777.44 - Step 5: Solve for x
x = 306,210,858,777.44/770,436.12 - Step 6: Final answer
x = 397,451.33
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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.