Finding the Fourth Proportional to 816,092.28, 1,126,213.56 and 453,550.14
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Solution
The fourth proportional to 816,092.28, 1,126,213.56 and 453,550.14 is: 625,902.65
Step by Step Solution
- Step 1: Write the proportion equation
816,092.28 : 1,126,213.56 = 453,550.14 : x - Step 2: Convert to fraction form
816,092.28/1,126,213.56 = 453,550.14/x - Step 3: Cross multiply
816,092.28x = 1,126,213.56 × 453,550.14 - Step 4: Simplify right side
816,092.28x = 510,794,317,807.90 - Step 5: Solve for x
x = 510,794,317,807.90/816,092.28 - Step 6: Final answer
x = 625,902.65
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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.