Finding the Fourth Proportional to 757,636.96, 1,045,917.48 and 471,249.04
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Solution
The fourth proportional to 757,636.96, 1,045,917.48 and 471,249.04 is: 650,559.09
Step by Step Solution
- Step 1: Write the proportion equation
757,636.96 : 1,045,917.48 = 471,249.04 : x - Step 2: Convert to fraction form
757,636.96/1,045,917.48 = 471,249.04/x - Step 3: Cross multiply
757,636.96x = 1,045,917.48 × 471,249.04 - Step 4: Simplify right side
757,636.96x = 492,887,608,369.22 - Step 5: Solve for x
x = 492,887,608,369.22/757,636.96 - Step 6: Final answer
x = 650,559.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.