Finding the Fourth Proportional to 913,193.80, 1,369,790.70 and 414,557.80
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Solution
The fourth proportional to 913,193.80, 1,369,790.70 and 414,557.80 is: 621,836.70
Step by Step Solution
- Step 1: Write the proportion equation
913,193.80 : 1,369,790.70 = 414,557.80 : x - Step 2: Convert to fraction form
913,193.80/1,369,790.70 = 414,557.80/x - Step 3: Cross multiply
913,193.80x = 1,369,790.70 × 414,557.80 - Step 4: Simplify right side
913,193.80x = 567,857,419,052.46 - Step 5: Solve for x
x = 567,857,419,052.46/913,193.80 - Step 6: Final answer
x = 621,836.70
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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.