Finding the Fourth Proportional to 863,975.70, 1,192,276.11 and 476,794.08
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Solution
The fourth proportional to 863,975.70, 1,192,276.11 and 476,794.08 is: 657,970.12
Step by Step Solution
- Step 1: Write the proportion equation
863,975.70 : 1,192,276.11 = 476,794.08 : x - Step 2: Convert to fraction form
863,975.70/1,192,276.11 = 476,794.08/x - Step 3: Cross multiply
863,975.70x = 1,192,276.11 × 476,794.08 - Step 4: Simplify right side
863,975.70x = 568,470,190,973.43 - Step 5: Solve for x
x = 568,470,190,973.43/863,975.70 - Step 6: Final answer
x = 657,970.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.