Finding the Fourth Proportional to 726,810.94, 1,090,246.47 and 214,476.09
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Solution
The fourth proportional to 726,810.94, 1,090,246.47 and 214,476.09 is: 321,723.01
Step by Step Solution
- Step 1: Write the proportion equation
726,810.94 : 1,090,246.47 = 214,476.09 : x - Step 2: Convert to fraction form
726,810.94/1,090,246.47 = 214,476.09/x - Step 3: Cross multiply
726,810.94x = 1,090,246.47 × 214,476.09 - Step 4: Simplify right side
726,810.94x = 233,831,800,021.90 - Step 5: Solve for x
x = 233,831,800,021.90/726,810.94 - Step 6: Final answer
x = 321,723.01
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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.