Finding the Fourth Proportional to 824,042.06, 1,136,901.42 and 479,804.26
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Solution
The fourth proportional to 824,042.06, 1,136,901.42 and 479,804.26 is: 661,968.82
Step by Step Solution
- Step 1: Write the proportion equation
824,042.06 : 1,136,901.42 = 479,804.26 : x - Step 2: Convert to fraction form
824,042.06/1,136,901.42 = 479,804.26/x - Step 3: Cross multiply
824,042.06x = 1,136,901.42 × 479,804.26 - Step 4: Simplify right side
824,042.06x = 545,490,149,580.85 - Step 5: Solve for x
x = 545,490,149,580.85/824,042.06 - Step 6: Final answer
x = 661,968.82
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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.