Finding the Fourth Proportional to 807,850.53, 1,114,827.57 and 445,275.09
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Solution
The fourth proportional to 807,850.53, 1,114,827.57 and 445,275.09 is: 614,476.23
Step by Step Solution
- Step 1: Write the proportion equation
807,850.53 : 1,114,827.57 = 445,275.09 : x - Step 2: Convert to fraction form
807,850.53/1,114,827.57 = 445,275.09/x - Step 3: Cross multiply
807,850.53x = 1,114,827.57 × 445,275.09 - Step 4: Simplify right side
807,850.53x = 496,404,946,566.23 - Step 5: Solve for x
x = 496,404,946,566.23/807,850.53 - Step 6: Final answer
x = 614,476.23
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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.