Finding the Fourth Proportional to 911,037.15, 1,366,415.53 and 303,836.14
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Solution
The fourth proportional to 911,037.15, 1,366,415.53 and 303,836.14 is: 455,707.45
Step by Step Solution
- Step 1: Write the proportion equation
911,037.15 : 1,366,415.53 = 303,836.14 : x - Step 2: Convert to fraction form
911,037.15/1,366,415.53 = 303,836.14/x - Step 3: Cross multiply
911,037.15x = 1,366,415.53 × 303,836.14 - Step 4: Simplify right side
911,037.15x = 415,166,420,271.25 - Step 5: Solve for x
x = 415,166,420,271.25/911,037.15 - Step 6: Final answer
x = 455,707.45
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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.