Finding the Fourth Proportional to 804,871.52, 1,110,743.52 and 442,305.44
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Solution
The fourth proportional to 804,871.52, 1,110,743.52 and 442,305.44 is: 610,392.95
Step by Step Solution
- Step 1: Write the proportion equation
804,871.52 : 1,110,743.52 = 442,305.44 : x - Step 2: Convert to fraction form
804,871.52/1,110,743.52 = 442,305.44/x - Step 3: Cross multiply
804,871.52x = 1,110,743.52 × 442,305.44 - Step 4: Simplify right side
804,871.52x = 491,287,901,340.75 - Step 5: Solve for x
x = 491,287,901,340.75/804,871.52 - Step 6: Final answer
x = 610,392.95
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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.