Finding the Fourth Proportional to 804,832.20, 1,110,601.98 and 442,237.32
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Solution
The fourth proportional to 804,832.20, 1,110,601.98 and 442,237.32 is: 610,250.99
Step by Step Solution
- Step 1: Write the proportion equation
804,832.20 : 1,110,601.98 = 442,237.32 : x - Step 2: Convert to fraction form
804,832.20/1,110,601.98 = 442,237.32/x - Step 3: Cross multiply
804,832.20x = 1,110,601.98 × 442,237.32 - Step 4: Simplify right side
804,832.20x = 491,149,643,221.89 - Step 5: Solve for x
x = 491,149,643,221.89/804,832.20 - Step 6: Final answer
x = 610,250.99
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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.