Finding the Fourth Proportional to 671,690.13, 926,919.07 and 365,770.14
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Solution
The fourth proportional to 671,690.13, 926,919.07 and 365,770.14 is: 504,755.55
Step by Step Solution
- Step 1: Write the proportion equation
671,690.13 : 926,919.07 = 365,770.14 : x - Step 2: Convert to fraction form
671,690.13/926,919.07 = 365,770.14/x - Step 3: Cross multiply
671,690.13x = 926,919.07 × 365,770.14 - Step 4: Simplify right side
671,690.13x = 339,039,318,002.57 - Step 5: Solve for x
x = 339,039,318,002.57/671,690.13 - Step 6: Final answer
x = 504,755.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.