Finding the Fourth Proportional to 465,770.70, 698,656.05 and 406,721.70
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Solution
The fourth proportional to 465,770.70, 698,656.05 and 406,721.70 is: 610,082.55
Step by Step Solution
- Step 1: Write the proportion equation
465,770.70 : 698,656.05 = 406,721.70 : x - Step 2: Convert to fraction form
465,770.70/698,656.05 = 406,721.70/x - Step 3: Cross multiply
465,770.70x = 698,656.05 × 406,721.70 - Step 4: Simplify right side
465,770.70x = 284,158,576,371.29 - Step 5: Solve for x
x = 284,158,576,371.29/465,770.70 - Step 6: Final answer
x = 610,082.55
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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.