Finding the Fourth Proportional to 684,743.19, 1,026,914.09 and 257,971.09
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Solution
The fourth proportional to 684,743.19, 1,026,914.09 and 257,971.09 is: 386,881.02
Step by Step Solution
- Step 1: Write the proportion equation
684,743.19 : 1,026,914.09 = 257,971.09 : x - Step 2: Convert to fraction form
684,743.19/1,026,914.09 = 257,971.09/x - Step 3: Cross multiply
684,743.19x = 1,026,914.09 × 257,971.09 - Step 4: Simplify right side
684,743.19x = 264,914,147,133.66 - Step 5: Solve for x
x = 264,914,147,133.66/684,743.19 - Step 6: Final answer
x = 386,881.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.