Finding the Fourth Proportional to 878,266.26, 1,212,008.24 and 475,858.26
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Solution
The fourth proportional to 878,266.26, 1,212,008.24 and 475,858.26 is: 656,684.83
Step by Step Solution
- Step 1: Write the proportion equation
878,266.26 : 1,212,008.24 = 475,858.26 : x - Step 2: Convert to fraction form
878,266.26/1,212,008.24 = 475,858.26/x - Step 3: Cross multiply
878,266.26x = 1,212,008.24 × 475,858.26 - Step 4: Simplify right side
878,266.26x = 576,744,132,192.06 - Step 5: Solve for x
x = 576,744,132,192.06/878,266.26 - Step 6: Final answer
x = 656,684.83
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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.