Finding the Fourth Proportional to 1,382,900.08, 2,074,654.79 and 423,362.94
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Solution
The fourth proportional to 1,382,900.08, 2,074,654.79 and 423,362.94 is: 635,137.68
Step by Step Solution
- Step 1: Write the proportion equation
1,382,900.08 : 2,074,654.79 = 423,362.94 : x - Step 2: Convert to fraction form
1,382,900.08/2,074,654.79 = 423,362.94/x - Step 3: Cross multiply
1,382,900.08x = 2,074,654.79 × 423,362.94 - Step 4: Simplify right side
1,382,900.08x = 878,331,951,379.48 - Step 5: Solve for x
x = 878,331,951,379.48/1,382,900.08 - Step 6: Final answer
x = 635,137.68
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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.