Finding the Fourth Proportional to 889,922.78, 1,227,754.44 and 657,906.84
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Solution
The fourth proportional to 889,922.78, 1,227,754.44 and 657,906.84 is: 907,660.82
Step by Step Solution
- Step 1: Write the proportion equation
889,922.78 : 1,227,754.44 = 657,906.84 : x - Step 2: Convert to fraction form
889,922.78/1,227,754.44 = 657,906.84/x - Step 3: Cross multiply
889,922.78x = 1,227,754.44 × 657,906.84 - Step 4: Simplify right side
889,922.78x = 807,748,043,916.37 - Step 5: Solve for x
x = 807,748,043,916.37/889,922.78 - Step 6: Final answer
x = 907,660.82
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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.