Finding the Fourth Proportional to 990,316.44, 1,485,575.33 and 341,808.23
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Solution
The fourth proportional to 990,316.44, 1,485,575.33 and 341,808.23 is: 512,747.08
Step by Step Solution
- Step 1: Write the proportion equation
990,316.44 : 1,485,575.33 = 341,808.23 : x - Step 2: Convert to fraction form
990,316.44/1,485,575.33 = 341,808.23/x - Step 3: Cross multiply
990,316.44x = 1,485,575.33 × 341,808.23 - Step 4: Simplify right side
990,316.44x = 507,781,864,942.05 - Step 5: Solve for x
x = 507,781,864,942.05/990,316.44 - Step 6: Final answer
x = 512,747.08
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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.