Finding the Fourth Proportional to 889,123.28, 1,227,562.44 and 793,465.68
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Solution
The fourth proportional to 889,123.28, 1,227,562.44 and 793,465.68 is: 1,095,493.38
Step by Step Solution
- Step 1: Write the proportion equation
889,123.28 : 1,227,562.44 = 793,465.68 : x - Step 2: Convert to fraction form
889,123.28/1,227,562.44 = 793,465.68/x - Step 3: Cross multiply
889,123.28x = 1,227,562.44 × 793,465.68 - Step 4: Simplify right side
889,123.28x = 974,028,666,197.06 - Step 5: Solve for x
x = 974,028,666,197.06/889,123.28 - Step 6: Final answer
x = 1,095,493.38
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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.