Finding the Fourth Proportional to 829,230.81, 1,144,346.70 and 461,713.05
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Solution
The fourth proportional to 829,230.81, 1,144,346.70 and 461,713.05 is: 637,168.56
Step by Step Solution
- Step 1: Write the proportion equation
829,230.81 : 1,144,346.70 = 461,713.05 : x - Step 2: Convert to fraction form
829,230.81/1,144,346.70 = 461,713.05/x - Step 3: Cross multiply
829,230.81x = 1,144,346.70 × 461,713.05 - Step 4: Simplify right side
829,230.81x = 528,359,805,114.44 - Step 5: Solve for x
x = 528,359,805,114.44/829,230.81 - Step 6: Final answer
x = 637,168.56
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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.