Finding the Fourth Proportional to 807,865.09, 1,114,803.12 and 445,268.99
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Solution
The fourth proportional to 807,865.09, 1,114,803.12 and 445,268.99 is: 614,443.26
Step by Step Solution
- Step 1: Write the proportion equation
807,865.09 : 1,114,803.12 = 445,268.99 : x - Step 2: Convert to fraction form
807,865.09/1,114,803.12 = 445,268.99/x - Step 3: Cross multiply
807,865.09x = 1,114,803.12 × 445,268.99 - Step 4: Simplify right side
807,865.09x = 496,387,259,291.25 - Step 5: Solve for x
x = 496,387,259,291.25/807,865.09 - Step 6: Final answer
x = 614,443.26
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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.