Finding the Fourth Proportional to 909.19, 1,362.39 and 676.99
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Solution
The fourth proportional to 909.19, 1,362.39 and 676.99 is: 1,014.45
Step by Step Solution
- Step 1: Write the proportion equation
909.19 : 1,362.39 = 676.99 : x - Step 2: Convert to fraction form
909.19/1,362.39 = 676.99/x - Step 3: Cross multiply
909.19x = 1,362.39 × 676.99 - Step 4: Simplify right side
909.19x = 922,324.41 - Step 5: Solve for x
x = 922,324.41/909.19 - Step 6: Final answer
x = 1,014.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.