Finding the Fourth Proportional to 870,463.87, 1,305,275.60 and 364,889.09
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Solution
The fourth proportional to 870,463.87, 1,305,275.60 and 364,889.09 is: 547,157.50
Step by Step Solution
- Step 1: Write the proportion equation
870,463.87 : 1,305,275.60 = 364,889.09 : x - Step 2: Convert to fraction form
870,463.87/1,305,275.60 = 364,889.09/x - Step 3: Cross multiply
870,463.87x = 1,305,275.60 × 364,889.09 - Step 4: Simplify right side
870,463.87x = 476,280,830,058.62 - Step 5: Solve for x
x = 476,280,830,058.62/870,463.87 - Step 6: Final answer
x = 547,157.50
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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.