Finding the Fourth Proportional to 969,902.74, 1,338,570.42 and 534,364.60
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Solution
The fourth proportional to 969,902.74, 1,338,570.42 and 534,364.60 is: 737,480.80
Step by Step Solution
- Step 1: Write the proportion equation
969,902.74 : 1,338,570.42 = 534,364.60 : x - Step 2: Convert to fraction form
969,902.74/1,338,570.42 = 534,364.60/x - Step 3: Cross multiply
969,902.74x = 1,338,570.42 × 534,364.60 - Step 4: Simplify right side
969,902.74x = 715,284,647,055.13 - Step 5: Solve for x
x = 715,284,647,055.13/969,902.74 - Step 6: Final answer
x = 737,480.80
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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.