Finding the Fourth Proportional to 777,974.18, 1,073,615.92 and 433,799.96
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Solution
The fourth proportional to 777,974.18, 1,073,615.92 and 433,799.96 is: 598,650.39
Step by Step Solution
- Step 1: Write the proportion equation
777,974.18 : 1,073,615.92 = 433,799.96 : x - Step 2: Convert to fraction form
777,974.18/1,073,615.92 = 433,799.96/x - Step 3: Cross multiply
777,974.18x = 1,073,615.92 × 433,799.96 - Step 4: Simplify right side
777,974.18x = 465,734,543,151.36 - Step 5: Solve for x
x = 465,734,543,151.36/777,974.18 - Step 6: Final answer
x = 598,650.39
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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.