Finding the Fourth Proportional to 756,728.01, 1,135,092.02 and 718,888.05
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Solution
The fourth proportional to 756,728.01, 1,135,092.02 and 718,888.05 is: 1,078,332.08
Step by Step Solution
- Step 1: Write the proportion equation
756,728.01 : 1,135,092.02 = 718,888.05 : x - Step 2: Convert to fraction form
756,728.01/1,135,092.02 = 718,888.05/x - Step 3: Cross multiply
756,728.01x = 1,135,092.02 × 718,888.05 - Step 4: Simplify right side
756,728.01x = 816,004,085,233.92 - Step 5: Solve for x
x = 816,004,085,233.92/756,728.01 - Step 6: Final answer
x = 1,078,332.08
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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.