Finding the Fourth Proportional to 804,623.92, 1,110,376.36 and 442,039.92
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Solution
The fourth proportional to 804,623.92, 1,110,376.36 and 442,039.92 is: 610,012.54
Step by Step Solution
- Step 1: Write the proportion equation
804,623.92 : 1,110,376.36 = 442,039.92 : x - Step 2: Convert to fraction form
804,623.92/1,110,376.36 = 442,039.92/x - Step 3: Cross multiply
804,623.92x = 1,110,376.36 × 442,039.92 - Step 4: Simplify right side
804,623.92x = 490,830,677,344.29 - Step 5: Solve for x
x = 490,830,677,344.29/804,623.92 - Step 6: Final answer
x = 610,012.54
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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.