Finding the Fourth Proportional to 609,274.06, 913,723.97 and 420,944.65
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Solution
The fourth proportional to 609,274.06, 913,723.97 and 420,944.65 is: 631,287.69
Step by Step Solution
- Step 1: Write the proportion equation
609,274.06 : 913,723.97 = 420,944.65 : x - Step 2: Convert to fraction form
609,274.06/913,723.97 = 420,944.65/x - Step 3: Cross multiply
609,274.06x = 913,723.97 × 420,944.65 - Step 4: Simplify right side
609,274.06x = 384,627,212,359.23 - Step 5: Solve for x
x = 384,627,212,359.23/609,274.06 - Step 6: Final answer
x = 631,287.69
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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.