Finding the Fourth Proportional to 625,569.14, 863,262.28 and 339,083.08
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Solution
The fourth proportional to 625,569.14, 863,262.28 and 339,083.08 is: 467,922.11
Step by Step Solution
- Step 1: Write the proportion equation
625,569.14 : 863,262.28 = 339,083.08 : x - Step 2: Convert to fraction form
625,569.14/863,262.28 = 339,083.08/x - Step 3: Cross multiply
625,569.14x = 863,262.28 × 339,083.08 - Step 4: Simplify right side
625,569.14x = 292,717,632,750.22 - Step 5: Solve for x
x = 292,717,632,750.22/625,569.14 - Step 6: Final answer
x = 467,922.11
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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.