Finding the Fourth Proportional to 965,197.88, 1,331,972.56 and 529,618.09
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Solution
The fourth proportional to 965,197.88, 1,331,972.56 and 529,618.09 is: 730,872.68
Step by Step Solution
- Step 1: Write the proportion equation
965,197.88 : 1,331,972.56 = 529,618.09 : x - Step 2: Convert to fraction form
965,197.88/1,331,972.56 = 529,618.09/x - Step 3: Cross multiply
965,197.88x = 1,331,972.56 × 529,618.09 - Step 4: Simplify right side
965,197.88x = 705,436,758,505.63 - Step 5: Solve for x
x = 705,436,758,505.63/965,197.88 - Step 6: Final answer
x = 730,872.68
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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.