Finding the Fourth Proportional to 586,634.21, 809,566.70 and 382,815.53
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Solution
The fourth proportional to 586,634.21, 809,566.70 and 382,815.53 is: 528,292.92
Step by Step Solution
- Step 1: Write the proportion equation
586,634.21 : 809,566.70 = 382,815.53 : x - Step 2: Convert to fraction form
586,634.21/809,566.70 = 382,815.53/x - Step 3: Cross multiply
586,634.21x = 809,566.70 × 382,815.53 - Step 4: Simplify right side
586,634.21x = 309,914,699,368.94 - Step 5: Solve for x
x = 309,914,699,368.94/586,634.21 - Step 6: Final answer
x = 528,292.92
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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.