Finding the Fourth Proportional to 765,654, 1,148,490.72 and 267,018
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Solution
The fourth proportional to 765,654, 1,148,490.72 and 267,018 is: 400,530.39
Step by Step Solution
- Step 1: Write the proportion equation
765,654 : 1,148,490.72 = 267,018 : x - Step 2: Convert to fraction form
765,654/1,148,490.72 = 267,018/x - Step 3: Cross multiply
765,654x = 1,148,490.72 × 267,018 - Step 4: Simplify right side
765,654x = 306,667,695,072.96 - Step 5: Solve for x
x = 306,667,695,072.96/765,654 - Step 6: Final answer
x = 400,530.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.