Finding the Fourth Proportional to 509,434.91, 764,820.11 and 341,705.68
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Solution
The fourth proportional to 509,434.91, 764,820.11 and 341,705.68 is: 513,006.41
Step by Step Solution
- Step 1: Write the proportion equation
509,434.91 : 764,820.11 = 341,705.68 : x - Step 2: Convert to fraction form
509,434.91/764,820.11 = 341,705.68/x - Step 3: Cross multiply
509,434.91x = 764,820.11 × 341,705.68 - Step 4: Simplify right side
509,434.91x = 261,343,375,765.23 - Step 5: Solve for x
x = 261,343,375,765.23/509,434.91 - Step 6: Final answer
x = 513,006.41
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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.