Finding the Fourth Proportional to 809,409.05, 1,116,993.51 and 446,833.08
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Solution
The fourth proportional to 809,409.05, 1,116,993.51 and 446,833.08 is: 616,634.63
Step by Step Solution
- Step 1: Write the proportion equation
809,409.05 : 1,116,993.51 = 446,833.08 : x - Step 2: Convert to fraction form
809,409.05/1,116,993.51 = 446,833.08/x - Step 3: Cross multiply
809,409.05x = 1,116,993.51 × 446,833.08 - Step 4: Simplify right side
809,409.05x = 499,109,650,413.31 - Step 5: Solve for x
x = 499,109,650,413.31/809,409.05 - Step 6: Final answer
x = 616,634.63
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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.