Finding the Fourth Proportional to 567,490.14, 783,141.60 and 312,850.44
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Solution
The fourth proportional to 567,490.14, 783,141.60 and 312,850.44 is: 431,736.48
Step by Step Solution
- Step 1: Write the proportion equation
567,490.14 : 783,141.60 = 312,850.44 : x - Step 2: Convert to fraction form
567,490.14/783,141.60 = 312,850.44/x - Step 3: Cross multiply
567,490.14x = 783,141.60 × 312,850.44 - Step 4: Simplify right side
567,490.14x = 245,006,194,142.30 - Step 5: Solve for x
x = 245,006,194,142.30/567,490.14 - Step 6: Final answer
x = 431,736.48
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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.