Finding the Fourth Proportional to 1,313,146.80, 1,969,369.92 and 366,351.12
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Solution
The fourth proportional to 1,313,146.80, 1,969,369.92 and 366,351.12 is: 549,428.96
Step by Step Solution
- Step 1: Write the proportion equation
1,313,146.80 : 1,969,369.92 = 366,351.12 : x - Step 2: Convert to fraction form
1,313,146.80/1,969,369.92 = 366,351.12/x - Step 3: Cross multiply
1,313,146.80x = 1,969,369.92 × 366,351.12 - Step 4: Simplify right side
1,313,146.80x = 721,480,875,886.31 - Step 5: Solve for x
x = 721,480,875,886.31/1,313,146.80 - Step 6: Final answer
x = 549,428.96
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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.