Finding the Fourth Proportional to 561,114.63, 774,338.18 and 306,466.42
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Solution
The fourth proportional to 561,114.63, 774,338.18 and 306,466.42 is: 422,923.65
Step by Step Solution
- Step 1: Write the proportion equation
561,114.63 : 774,338.18 = 306,466.42 : x - Step 2: Convert to fraction form
561,114.63/774,338.18 = 306,466.42/x - Step 3: Cross multiply
561,114.63x = 774,338.18 × 306,466.42 - Step 4: Simplify right side
561,114.63x = 237,308,649,893.92 - Step 5: Solve for x
x = 237,308,649,893.92/561,114.63 - Step 6: Final answer
x = 422,923.65
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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.