Finding the Fourth Proportional to 810,577.43, 1,214,814.56 and 330,246.62
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Solution
The fourth proportional to 810,577.43, 1,214,814.56 and 330,246.62 is: 494,941.49
Step by Step Solution
- Step 1: Write the proportion equation
810,577.43 : 1,214,814.56 = 330,246.62 : x - Step 2: Convert to fraction form
810,577.43/1,214,814.56 = 330,246.62/x - Step 3: Cross multiply
810,577.43x = 1,214,814.56 × 330,246.62 - Step 4: Simplify right side
810,577.43x = 401,188,394,641.48 - Step 5: Solve for x
x = 401,188,394,641.48/810,577.43 - Step 6: Final answer
x = 494,941.49
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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.