Finding the Fourth Proportional to 1,313,310.80, 1,969,615.92 and 366,515.12
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Solution
The fourth proportional to 1,313,310.80, 1,969,615.92 and 366,515.12 is: 549,674.92
Step by Step Solution
- Step 1: Write the proportion equation
1,313,310.80 : 1,969,615.92 = 366,515.12 : x - Step 2: Convert to fraction form
1,313,310.80/1,969,615.92 = 366,515.12/x - Step 3: Cross multiply
1,313,310.80x = 1,969,615.92 × 366,515.12 - Step 4: Simplify right side
1,313,310.80x = 721,894,015,272.71 - Step 5: Solve for x
x = 721,894,015,272.71/1,313,310.80 - Step 6: Final answer
x = 549,674.92
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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.