Finding the Fourth Proportional to 886,677.49, 1,330,203.26 and 287,592.12
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Solution
The fourth proportional to 886,677.49, 1,330,203.26 and 287,592.12 is: 431,448.84
Step by Step Solution
- Step 1: Write the proportion equation
886,677.49 : 1,330,203.26 = 287,592.12 : x - Step 2: Convert to fraction form
886,677.49/1,330,203.26 = 287,592.12/x - Step 3: Cross multiply
886,677.49x = 1,330,203.26 × 287,592.12 - Step 4: Simplify right side
886,677.49x = 382,555,976,293.29 - Step 5: Solve for x
x = 382,555,976,293.29/886,677.49 - Step 6: Final answer
x = 431,448.84
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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.