Finding the Fourth Proportional to 807,784.92, 1,114,697.70 and 445,207.68
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Solution
The fourth proportional to 807,784.92, 1,114,697.70 and 445,207.68 is: 614,361.53
Step by Step Solution
- Step 1: Write the proportion equation
807,784.92 : 1,114,697.70 = 445,207.68 : x - Step 2: Convert to fraction form
807,784.92/1,114,697.70 = 445,207.68/x - Step 3: Cross multiply
807,784.92x = 1,114,697.70 × 445,207.68 - Step 4: Simplify right side
807,784.92x = 496,271,976,918.34 - Step 5: Solve for x
x = 496,271,976,918.34/807,784.92 - Step 6: Final answer
x = 614,361.53
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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.