Finding the Fourth Proportional to 777,772.05, 1,166,658.08 and 725,284.05
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Solution
The fourth proportional to 777,772.05, 1,166,658.08 and 725,284.05 is: 1,087,926.08
Step by Step Solution
- Step 1: Write the proportion equation
777,772.05 : 1,166,658.08 = 725,284.05 : x - Step 2: Convert to fraction form
777,772.05/1,166,658.08 = 725,284.05/x - Step 3: Cross multiply
777,772.05x = 1,166,658.08 × 725,284.05 - Step 4: Simplify right side
777,772.05x = 846,158,493,601.20 - Step 5: Solve for x
x = 846,158,493,601.20/777,772.05 - Step 6: Final answer
x = 1,087,926.08
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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.