Finding the Fourth Proportional to 804,881.18, 1,110,761.84 and 442,338.54
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Solution
The fourth proportional to 804,881.18, 1,110,761.84 and 442,338.54 is: 610,441.37
Step by Step Solution
- Step 1: Write the proportion equation
804,881.18 : 1,110,761.84 = 442,338.54 : x - Step 2: Convert to fraction form
804,881.18/1,110,761.84 = 442,338.54/x - Step 3: Cross multiply
804,881.18x = 1,110,761.84 × 442,338.54 - Step 4: Simplify right side
804,881.18x = 491,332,770,593.31 - Step 5: Solve for x
x = 491,332,770,593.31/804,881.18 - Step 6: Final answer
x = 610,441.37
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1.5x scale
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.