Finding the Fourth Proportional to 850,674.96, 1,276,136.64 and 310,957.92
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Solution
The fourth proportional to 850,674.96, 1,276,136.64 and 310,957.92 is: 466,482.28
Step by Step Solution
- Step 1: Write the proportion equation
850,674.96 : 1,276,136.64 = 310,957.92 : x - Step 2: Convert to fraction form
850,674.96/1,276,136.64 = 310,957.92/x - Step 3: Cross multiply
850,674.96x = 1,276,136.64 × 310,957.92 - Step 4: Simplify right side
850,674.96x = 396,824,795,210.19 - Step 5: Solve for x
x = 396,824,795,210.19/850,674.96 - Step 6: Final answer
x = 466,482.28
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1.5x scale
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.