Finding the Fourth Proportional to 665,009.10, 996,857.55 and 327,773.70
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Solution
The fourth proportional to 665,009.10, 996,857.55 and 327,773.70 is: 491,337.17
Step by Step Solution
- Step 1: Write the proportion equation
665,009.10 : 996,857.55 = 327,773.70 : x - Step 2: Convert to fraction form
665,009.10/996,857.55 = 327,773.70/x - Step 3: Cross multiply
665,009.10x = 996,857.55 × 327,773.70 - Step 4: Simplify right side
665,009.10x = 326,743,687,536.44 - Step 5: Solve for x
x = 326,743,687,536.44/665,009.10 - Step 6: Final answer
x = 491,337.17
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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.