Finding the Fourth Proportional to 744, 1,027.08 and 482.19
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Solution
The fourth proportional to 744, 1,027.08 and 482.19 is: 665.66
Step by Step Solution
- Step 1: Write the proportion equation
744 : 1,027.08 = 482.19 : x - Step 2: Convert to fraction form
744/1,027.08 = 482.19/x - Step 3: Cross multiply
744x = 1,027.08 × 482.19 - Step 4: Simplify right side
744x = 495,247.71 - Step 5: Solve for x
x = 495,247.71/744 - Step 6: Final answer
x = 665.66
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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.