Finding the Fourth Proportional to 1,040,195.80, 1,560,299.64 and 320,528.08
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Solution
The fourth proportional to 1,040,195.80, 1,560,299.64 and 320,528.08 is: 480,793.95
Step by Step Solution
- Step 1: Write the proportion equation
1,040,195.80 : 1,560,299.64 = 320,528.08 : x - Step 2: Convert to fraction form
1,040,195.80/1,560,299.64 = 320,528.08/x - Step 3: Cross multiply
1,040,195.80x = 1,560,299.64 × 320,528.08 - Step 4: Simplify right side
1,040,195.80x = 500,119,847,833.89 - Step 5: Solve for x
x = 500,119,847,833.89/1,040,195.80 - Step 6: Final answer
x = 480,793.95
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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.