Finding the Fourth Proportional to 1,012,398.76, 1,397,462.13 and 582,850.09
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Solution
The fourth proportional to 1,012,398.76, 1,397,462.13 and 582,850.09 is: 804,535.68
Step by Step Solution
- Step 1: Write the proportion equation
1,012,398.76 : 1,397,462.13 = 582,850.09 : x - Step 2: Convert to fraction form
1,012,398.76/1,397,462.13 = 582,850.09/x - Step 3: Cross multiply
1,012,398.76x = 1,397,462.13 × 582,850.09 - Step 4: Simplify right side
1,012,398.76x = 814,510,928,242.09 - Step 5: Solve for x
x = 814,510,928,242.09/1,012,398.76 - Step 6: Final answer
x = 804,535.68
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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.