Finding the Fourth Proportional to 770,078.44, 1,154,694.84 and 237,451.60
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Solution
The fourth proportional to 770,078.44, 1,154,694.84 and 237,451.60 is: 356,047.02
Step by Step Solution
- Step 1: Write the proportion equation
770,078.44 : 1,154,694.84 = 237,451.60 : x - Step 2: Convert to fraction form
770,078.44/1,154,694.84 = 237,451.60/x - Step 3: Cross multiply
770,078.44x = 1,154,694.84 × 237,451.60 - Step 4: Simplify right side
770,078.44x = 274,184,137,269.74 - Step 5: Solve for x
x = 274,184,137,269.74/770,078.44 - Step 6: Final answer
x = 356,047.02
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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.