Finding the Fourth Proportional to 422,670.52, 582,945.20 and 371,573.99
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Solution
The fourth proportional to 422,670.52, 582,945.20 and 371,573.99 is: 512,473.11
Step by Step Solution
- Step 1: Write the proportion equation
422,670.52 : 582,945.20 = 371,573.99 : x - Step 2: Convert to fraction form
422,670.52/582,945.20 = 371,573.99/x - Step 3: Cross multiply
422,670.52x = 582,945.20 × 371,573.99 - Step 4: Simplify right side
422,670.52x = 216,607,273,915.35 - Step 5: Solve for x
x = 216,607,273,915.35/422,670.52 - Step 6: Final answer
x = 512,473.11
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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.