Finding the Fourth Proportional to 804,276.26, 1,110,332.14 and 620,112.60
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Solution
The fourth proportional to 804,276.26, 1,110,332.14 and 620,112.60 is: 856,087.62
Step by Step Solution
- Step 1: Write the proportion equation
804,276.26 : 1,110,332.14 = 620,112.60 : x - Step 2: Convert to fraction form
804,276.26/1,110,332.14 = 620,112.60/x - Step 3: Cross multiply
804,276.26x = 1,110,332.14 × 620,112.60 - Step 4: Simplify right side
804,276.26x = 688,530,950,198.96 - Step 5: Solve for x
x = 688,530,950,198.96/804,276.26 - Step 6: Final answer
x = 856,087.62
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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.