Finding the Fourth Proportional to 774,682.92, 1,154,238.12 and 731,172.96
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Solution
The fourth proportional to 774,682.92, 1,154,238.12 and 731,172.96 is: 1,089,410.49
Step by Step Solution
- Step 1: Write the proportion equation
774,682.92 : 1,154,238.12 = 731,172.96 : x - Step 2: Convert to fraction form
774,682.92/1,154,238.12 = 731,172.96/x - Step 3: Cross multiply
774,682.92x = 1,154,238.12 × 731,172.96 - Step 4: Simplify right side
774,682.92x = 843,947,702,745.24 - Step 5: Solve for x
x = 843,947,702,745.24/774,682.92 - Step 6: Final answer
x = 1,089,410.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.