Finding the Fourth Proportional to 575,370.30, 793,994.49 and 320,716.02
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Solution
The fourth proportional to 575,370.30, 793,994.49 and 320,716.02 is: 442,578.90
Step by Step Solution
- Step 1: Write the proportion equation
575,370.30 : 793,994.49 = 320,716.02 : x - Step 2: Convert to fraction form
575,370.30/793,994.49 = 320,716.02/x - Step 3: Cross multiply
575,370.30x = 793,994.49 × 320,716.02 - Step 4: Simplify right side
575,370.30x = 254,646,752,734.73 - Step 5: Solve for x
x = 254,646,752,734.73/575,370.30 - Step 6: Final answer
x = 442,578.90
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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.