Finding the Fourth Proportional to 744.36, 1,026 and 511.08
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Solution
The fourth proportional to 744.36, 1,026 and 511.08 is: 704.45
Step by Step Solution
- Step 1: Write the proportion equation
744.36 : 1,026 = 511.08 : x - Step 2: Convert to fraction form
744.36/1,026 = 511.08/x - Step 3: Cross multiply
744.36x = 1,026 × 511.08 - Step 4: Simplify right side
744.36x = 524,368.08 - Step 5: Solve for x
x = 524,368.08/744.36 - Step 6: Final answer
x = 704.45
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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.