Finding the Fourth Proportional to 849,135.23, 1,171,806.63 and 467,153.81
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Solution
The fourth proportional to 849,135.23, 1,171,806.63 and 467,153.81 is: 644,672.27
Step by Step Solution
- Step 1: Write the proportion equation
849,135.23 : 1,171,806.63 = 467,153.81 : x - Step 2: Convert to fraction form
849,135.23/1,171,806.63 = 467,153.81/x - Step 3: Cross multiply
849,135.23x = 1,171,806.63 × 467,153.81 - Step 4: Simplify right side
849,135.23x = 547,413,935,162.59 - Step 5: Solve for x
x = 547,413,935,162.59/849,135.23 - Step 6: Final answer
x = 644,672.27
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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.