Finding the Fourth Proportional to 890,035.26, 1,335,350.97 and 291,024.06
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Solution
The fourth proportional to 890,035.26, 1,335,350.97 and 291,024.06 is: 436,633.56
Step by Step Solution
- Step 1: Write the proportion equation
890,035.26 : 1,335,350.97 = 291,024.06 : x - Step 2: Convert to fraction form
890,035.26/1,335,350.97 = 291,024.06/x - Step 3: Cross multiply
890,035.26x = 1,335,350.97 × 291,024.06 - Step 4: Simplify right side
890,035.26x = 388,619,260,814.34 - Step 5: Solve for x
x = 388,619,260,814.34/890,035.26 - Step 6: Final answer
x = 436,633.56
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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.