Finding the Fourth Proportional to 804,619.41, 1,110,394.36 and 442,066.75
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Solution
The fourth proportional to 804,619.41, 1,110,394.36 and 442,066.75 is: 610,062.87
Step by Step Solution
- Step 1: Write the proportion equation
804,619.41 : 1,110,394.36 = 442,066.75 : x - Step 2: Convert to fraction form
804,619.41/1,110,394.36 = 442,066.75/x - Step 3: Cross multiply
804,619.41x = 1,110,394.36 × 442,066.75 - Step 4: Simplify right side
804,619.41x = 490,868,425,943.53 - Step 5: Solve for x
x = 490,868,425,943.53/804,619.41 - Step 6: Final answer
x = 610,062.87
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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.