Finding the Fourth Proportional to 727,873.29, 1,004,451.69 and 396,732.09
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Solution
The fourth proportional to 727,873.29, 1,004,451.69 and 396,732.09 is: 547,482.95
Step by Step Solution
- Step 1: Write the proportion equation
727,873.29 : 1,004,451.69 = 396,732.09 : x - Step 2: Convert to fraction form
727,873.29/1,004,451.69 = 396,732.09/x - Step 3: Cross multiply
727,873.29x = 1,004,451.69 × 396,732.09 - Step 4: Simplify right side
727,873.29x = 398,498,218,277.73 - Step 5: Solve for x
x = 398,498,218,277.73/727,873.29 - Step 6: Final answer
x = 547,482.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.