Finding the Fourth Proportional to 739,230.68, 1,019,213.60 and 616,899.62
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Solution
The fourth proportional to 739,230.68, 1,019,213.60 and 616,899.62 is: 850,549.77
Step by Step Solution
- Step 1: Write the proportion equation
739,230.68 : 1,019,213.60 = 616,899.62 : x - Step 2: Convert to fraction form
739,230.68/1,019,213.60 = 616,899.62/x - Step 3: Cross multiply
739,230.68x = 1,019,213.60 × 616,899.62 - Step 4: Simplify right side
739,230.68x = 628,752,482,538.83 - Step 5: Solve for x
x = 628,752,482,538.83/739,230.68 - Step 6: Final answer
x = 850,549.77
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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.