Finding the Fourth Proportional to 786,229.98, 1,179,116.91 and 306,350.75
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Solution
The fourth proportional to 786,229.98, 1,179,116.91 and 306,350.75 is: 459,437.26
Step by Step Solution
- Step 1: Write the proportion equation
786,229.98 : 1,179,116.91 = 306,350.75 : x - Step 2: Convert to fraction form
786,229.98/1,179,116.91 = 306,350.75/x - Step 3: Cross multiply
786,229.98x = 1,179,116.91 × 306,350.75 - Step 4: Simplify right side
786,229.98x = 361,223,343,820.60 - Step 5: Solve for x
x = 361,223,343,820.60/786,229.98 - Step 6: Final answer
x = 459,437.26
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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.