Finding the Fourth Proportional to 800,346.74, 1,200,522.12 and 327,032.09
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Solution
The fourth proportional to 800,346.74, 1,200,522.12 and 327,032.09 is: 490,548.95
Step by Step Solution
- Step 1: Write the proportion equation
800,346.74 : 1,200,522.12 = 327,032.09 : x - Step 2: Convert to fraction form
800,346.74/1,200,522.12 = 327,032.09/x - Step 3: Cross multiply
800,346.74x = 1,200,522.12 × 327,032.09 - Step 4: Simplify right side
800,346.74x = 392,609,251,992.22 - Step 5: Solve for x
x = 392,609,251,992.22/800,346.74 - Step 6: Final answer
x = 490,548.95
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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.