Finding the Fourth Proportional to 526,654.08, 726,782.67 and 284,936.49
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Solution
The fourth proportional to 526,654.08, 726,782.67 and 284,936.49 is: 393,212.38
Step by Step Solution
- Step 1: Write the proportion equation
526,654.08 : 726,782.67 = 284,936.49 : x - Step 2: Convert to fraction form
526,654.08/726,782.67 = 284,936.49/x - Step 3: Cross multiply
526,654.08x = 726,782.67 × 284,936.49 - Step 4: Simplify right side
526,654.08x = 207,086,902,982.63 - Step 5: Solve for x
x = 207,086,902,982.63/526,654.08 - Step 6: Final answer
x = 393,212.38
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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.