Finding the Fourth Proportional to 748,857.80, 1,123,286.70 and 702,201.80
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Solution
The fourth proportional to 748,857.80, 1,123,286.70 and 702,201.80 is: 1,053,302.70
Step by Step Solution
- Step 1: Write the proportion equation
748,857.80 : 1,123,286.70 = 702,201.80 : x - Step 2: Convert to fraction form
748,857.80/1,123,286.70 = 702,201.80/x - Step 3: Cross multiply
748,857.80x = 1,123,286.70 × 702,201.80 - Step 4: Simplify right side
748,857.80x = 788,773,942,656.06 - Step 5: Solve for x
x = 788,773,942,656.06/748,857.80 - Step 6: Final answer
x = 1,053,302.70
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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.