Finding the Fourth Proportional to 743,637.06, 1,026,214.26 and 404,105.28
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Solution
The fourth proportional to 743,637.06, 1,026,214.26 and 404,105.28 is: 557,662.63
Step by Step Solution
- Step 1: Write the proportion equation
743,637.06 : 1,026,214.26 = 404,105.28 : x - Step 2: Convert to fraction form
743,637.06/1,026,214.26 = 404,105.28/x - Step 3: Cross multiply
743,637.06x = 1,026,214.26 × 404,105.28 - Step 4: Simplify right side
743,637.06x = 414,698,600,877.29 - Step 5: Solve for x
x = 414,698,600,877.29/743,637.06 - Step 6: Final answer
x = 557,662.63
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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.