Finding the Fourth Proportional to 511,800.84, 706,286.10 and 285,460.92
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Solution
The fourth proportional to 511,800.84, 706,286.10 and 285,460.92 is: 393,936.59
Step by Step Solution
- Step 1: Write the proportion equation
511,800.84 : 706,286.10 = 285,460.92 : x - Step 2: Convert to fraction form
511,800.84/706,286.10 = 285,460.92/x - Step 3: Cross multiply
511,800.84x = 706,286.10 × 285,460.92 - Step 4: Simplify right side
511,800.84x = 201,617,079,889.21 - Step 5: Solve for x
x = 201,617,079,889.21/511,800.84 - Step 6: Final answer
x = 393,936.59
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1.5x scale
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.