Finding the Fourth Proportional to 807,944.64, 1,212,124.16 and 246,977.44
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Solution
The fourth proportional to 807,944.64, 1,212,124.16 and 246,977.44 is: 370,529.50
Step by Step Solution
- Step 1: Write the proportion equation
807,944.64 : 1,212,124.16 = 246,977.44 : x - Step 2: Convert to fraction form
807,944.64/1,212,124.16 = 246,977.44/x - Step 3: Cross multiply
807,944.64x = 1,212,124.16 × 246,977.44 - Step 4: Simplify right side
807,944.64x = 299,367,321,998.95 - Step 5: Solve for x
x = 299,367,321,998.95/807,944.64 - Step 6: Final answer
x = 370,529.50
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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.