Finding the Fourth Proportional to 1,497,791.80, 2,247,465.30 and 656,428.60
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Solution
The fourth proportional to 1,497,791.80, 2,247,465.30 and 656,428.60 is: 984,983.69
Step by Step Solution
- Step 1: Write the proportion equation
1,497,791.80 : 2,247,465.30 = 656,428.60 : x - Step 2: Convert to fraction form
1,497,791.80/2,247,465.30 = 656,428.60/x - Step 3: Cross multiply
1,497,791.80x = 2,247,465.30 × 656,428.60 - Step 4: Simplify right side
1,497,791.80x = 1,475,300,500,427.58 - Step 5: Solve for x
x = 1,475,300,500,427.58/1,497,791.80 - Step 6: Final answer
x = 984,983.69
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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.