Finding the Fourth Proportional to 895,879.36, 1,236,313.56 and 493,471.36
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Solution
The fourth proportional to 895,879.36, 1,236,313.56 and 493,471.36 is: 680,990.50
Step by Step Solution
- Step 1: Write the proportion equation
895,879.36 : 1,236,313.56 = 493,471.36 : x - Step 2: Convert to fraction form
895,879.36/1,236,313.56 = 493,471.36/x - Step 3: Cross multiply
895,879.36x = 1,236,313.56 × 493,471.36 - Step 4: Simplify right side
895,879.36x = 610,085,333,839.64 - Step 5: Solve for x
x = 610,085,333,839.64/895,879.36 - Step 6: Final answer
x = 680,990.50
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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.