Finding the Fourth Proportional to 1,049,273.40, 1,574,687.70 and 418,639.80
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Solution
The fourth proportional to 1,049,273.40, 1,574,687.70 and 418,639.80 is: 628,269.95
Step by Step Solution
- Step 1: Write the proportion equation
1,049,273.40 : 1,574,687.70 = 418,639.80 : x - Step 2: Convert to fraction form
1,049,273.40/1,574,687.70 = 418,639.80/x - Step 3: Cross multiply
1,049,273.40x = 1,574,687.70 × 418,639.80 - Step 4: Simplify right side
1,049,273.40x = 659,226,943,790.46 - Step 5: Solve for x
x = 659,226,943,790.46/1,049,273.40 - Step 6: Final answer
x = 628,269.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.