Finding the Fourth Proportional to 804,991.11, 1,110,914.37 and 442,427.82
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Solution
The fourth proportional to 804,991.11, 1,110,914.37 and 442,427.82 is: 610,565.03
Step by Step Solution
- Step 1: Write the proportion equation
804,991.11 : 1,110,914.37 = 442,427.82 : x - Step 2: Convert to fraction form
804,991.11/1,110,914.37 = 442,427.82/x - Step 3: Cross multiply
804,991.11x = 1,110,914.37 × 442,427.82 - Step 4: Simplify right side
804,991.11x = 491,499,423,764.41 - Step 5: Solve for x
x = 491,499,423,764.41/804,991.11 - Step 6: Final answer
x = 610,565.03
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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.