Finding the Fourth Proportional to 919,043.15, 1,268,091.82 and 536,996.09
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Solution
The fourth proportional to 919,043.15, 1,268,091.82 and 536,996.09 is: 740,944.92
Step by Step Solution
- Step 1: Write the proportion equation
919,043.15 : 1,268,091.82 = 536,996.09 : x - Step 2: Convert to fraction form
919,043.15/1,268,091.82 = 536,996.09/x - Step 3: Cross multiply
919,043.15x = 1,268,091.82 × 536,996.09 - Step 4: Simplify right side
919,043.15x = 680,960,349,100.98 - Step 5: Solve for x
x = 680,960,349,100.98/919,043.15 - Step 6: Final answer
x = 740,944.92
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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.