Finding the Fourth Proportional to 459,806.31, 689,651.15 and 341,649.99
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Solution
The fourth proportional to 459,806.31, 689,651.15 and 341,649.99 is: 512,431.65
Step by Step Solution
- Step 1: Write the proportion equation
459,806.31 : 689,651.15 = 341,649.99 : x - Step 2: Convert to fraction form
459,806.31/689,651.15 = 341,649.99/x - Step 3: Cross multiply
459,806.31x = 689,651.15 × 341,649.99 - Step 4: Simplify right side
459,806.31x = 235,619,306,792.74 - Step 5: Solve for x
x = 235,619,306,792.74/459,806.31 - Step 6: Final answer
x = 512,431.65
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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.