Finding the Fourth Proportional to 574,378.02, 792,730.80 and 345,062.97
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Solution
The fourth proportional to 574,378.02, 792,730.80 and 345,062.97 is: 476,240.45
Step by Step Solution
- Step 1: Write the proportion equation
574,378.02 : 792,730.80 = 345,062.97 : x - Step 2: Convert to fraction form
574,378.02/792,730.80 = 345,062.97/x - Step 3: Cross multiply
574,378.02x = 792,730.80 × 345,062.97 - Step 4: Simplify right side
574,378.02x = 273,542,044,258.48 - Step 5: Solve for x
x = 273,542,044,258.48/574,378.02 - Step 6: Final answer
x = 476,240.45
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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.