Finding the Fourth Proportional to 845,997.50, 1,269,328.55 and 372,350.81
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Solution
The fourth proportional to 845,997.50, 1,269,328.55 and 372,350.81 is: 558,672.46
Step by Step Solution
- Step 1: Write the proportion equation
845,997.50 : 1,269,328.55 = 372,350.81 : x - Step 2: Convert to fraction form
845,997.50/1,269,328.55 = 372,350.81/x - Step 3: Cross multiply
845,997.50x = 1,269,328.55 × 372,350.81 - Step 4: Simplify right side
845,997.50x = 472,635,505,540.23 - Step 5: Solve for x
x = 472,635,505,540.23/845,997.50 - Step 6: Final answer
x = 558,672.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.