Finding the Fourth Proportional to 855,578.69, 1,283,364.53 and 215,883.92
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Solution
The fourth proportional to 855,578.69, 1,283,364.53 and 215,883.92 is: 323,824.99
Step by Step Solution
- Step 1: Write the proportion equation
855,578.69 : 1,283,364.53 = 215,883.92 : x - Step 2: Convert to fraction form
855,578.69/1,283,364.53 = 215,883.92/x - Step 3: Cross multiply
855,578.69x = 1,283,364.53 × 215,883.92 - Step 4: Simplify right side
855,578.69x = 277,057,758,029.12 - Step 5: Solve for x
x = 277,057,758,029.12/855,578.69 - Step 6: Final answer
x = 323,824.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.