Finding the Fourth Proportional to 512,073.24, 706,660.60 and 285,718.74
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Solution
The fourth proportional to 512,073.24, 706,660.60 and 285,718.74 is: 394,291.60
Step by Step Solution
- Step 1: Write the proportion equation
512,073.24 : 706,660.60 = 285,718.74 : x - Step 2: Convert to fraction form
512,073.24/706,660.60 = 285,718.74/x - Step 3: Cross multiply
512,073.24x = 706,660.60 × 285,718.74 - Step 4: Simplify right side
512,073.24x = 201,906,176,239.64 - Step 5: Solve for x
x = 201,906,176,239.64/512,073.24 - Step 6: Final answer
x = 394,291.60
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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.