Finding the Fourth Proportional to 526,697.82, 726,837.81 and 284,975.09
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Solution
The fourth proportional to 526,697.82, 726,837.81 and 284,975.09 is: 393,262.82
Step by Step Solution
- Step 1: Write the proportion equation
526,697.82 : 726,837.81 = 284,975.09 : x - Step 2: Convert to fraction form
526,697.82/726,837.81 = 284,975.09/x - Step 3: Cross multiply
526,697.82x = 726,837.81 × 284,975.09 - Step 4: Simplify right side
526,697.82x = 207,130,670,320.15 - Step 5: Solve for x
x = 207,130,670,320.15/526,697.82 - Step 6: Final answer
x = 393,262.82
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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.