Finding the Fourth Proportional to 815,704.01, 1,125,640.23 and 453,150.66
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Solution
The fourth proportional to 815,704.01, 1,125,640.23 and 453,150.66 is: 625,330.52
Step by Step Solution
- Step 1: Write the proportion equation
815,704.01 : 1,125,640.23 = 453,150.66 : x - Step 2: Convert to fraction form
815,704.01/1,125,640.23 = 453,150.66/x - Step 3: Cross multiply
815,704.01x = 1,125,640.23 × 453,150.66 - Step 4: Simplify right side
815,704.01x = 510,084,613,147.05 - Step 5: Solve for x
x = 510,084,613,147.05/815,704.01 - Step 6: Final answer
x = 625,330.52
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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.