Finding the Fourth Proportional to 459,517.81, 688,646.14 and 290,735.99
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Solution
The fourth proportional to 459,517.81, 688,646.14 and 290,735.99 is: 435,705.02
Step by Step Solution
- Step 1: Write the proportion equation
459,517.81 : 688,646.14 = 290,735.99 : x - Step 2: Convert to fraction form
459,517.81/688,646.14 = 290,735.99/x - Step 3: Cross multiply
459,517.81x = 688,646.14 × 290,735.99 - Step 4: Simplify right side
459,517.81x = 200,214,212,375.67 - Step 5: Solve for x
x = 200,214,212,375.67/459,517.81 - Step 6: Final answer
x = 435,705.02
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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.