Finding the Fourth Proportional to 756,246, 1,043,641.44 and 416,736.12
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Solution
The fourth proportional to 756,246, 1,043,641.44 and 416,736.12 is: 575,107.95
Step by Step Solution
- Step 1: Write the proportion equation
756,246 : 1,043,641.44 = 416,736.12 : x - Step 2: Convert to fraction form
756,246/1,043,641.44 = 416,736.12/x - Step 3: Cross multiply
756,246x = 1,043,641.44 × 416,736.12 - Step 4: Simplify right side
756,246x = 434,923,084,376.81 - Step 5: Solve for x
x = 434,923,084,376.81/756,246 - Step 6: Final answer
x = 575,107.95
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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.