Finding the Fourth Proportional to 667,048.36, 920,517.60 and 365,242.36
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Solution
The fourth proportional to 667,048.36, 920,517.60 and 365,242.36 is: 504,029.45
Step by Step Solution
- Step 1: Write the proportion equation
667,048.36 : 920,517.60 = 365,242.36 : x - Step 2: Convert to fraction form
667,048.36/920,517.60 = 365,242.36/x - Step 3: Cross multiply
667,048.36x = 920,517.60 × 365,242.36 - Step 4: Simplify right side
667,048.36x = 336,212,020,645.54 - Step 5: Solve for x
x = 336,212,020,645.54/667,048.36 - Step 6: Final answer
x = 504,029.45
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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.