Finding the Fourth Proportional to 1,025.13, 1,414.79 and 605.62
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Solution
The fourth proportional to 1,025.13, 1,414.79 and 605.62 is: 835.82
Step by Step Solution
- Step 1: Write the proportion equation
1,025.13 : 1,414.79 = 605.62 : x - Step 2: Convert to fraction form
1,025.13/1,414.79 = 605.62/x - Step 3: Cross multiply
1,025.13x = 1,414.79 × 605.62 - Step 4: Simplify right side
1,025.13x = 856,826.13 - Step 5: Solve for x
x = 856,826.13/1,025.13 - Step 6: Final answer
x = 835.82
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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.