Finding the Fourth Proportional to 526,274.48, 726,258.74 and 284,556.98
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Solution
The fourth proportional to 526,274.48, 726,258.74 and 284,556.98 is: 392,688.61
Step by Step Solution
- Step 1: Write the proportion equation
526,274.48 : 726,258.74 = 284,556.98 : x - Step 2: Convert to fraction form
526,274.48/726,258.74 = 284,556.98/x - Step 3: Cross multiply
526,274.48x = 726,258.74 × 284,556.98 - Step 4: Simplify right side
526,274.48x = 206,661,993,753.01 - Step 5: Solve for x
x = 206,661,993,753.01/526,274.48 - Step 6: Final answer
x = 392,688.61
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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.