Finding the Fourth Proportional to 705,073.96, 1,057,248.06 and 284,236.84
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Solution
The fourth proportional to 705,073.96, 1,057,248.06 and 284,236.84 is: 426,208.97
Step by Step Solution
- Step 1: Write the proportion equation
705,073.96 : 1,057,248.06 = 284,236.84 : x - Step 2: Convert to fraction form
705,073.96/1,057,248.06 = 284,236.84/x - Step 3: Cross multiply
705,073.96x = 1,057,248.06 × 284,236.84 - Step 4: Simplify right side
705,073.96x = 300,508,847,670.53 - Step 5: Solve for x
x = 300,508,847,670.53/705,073.96 - Step 6: Final answer
x = 426,208.97
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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.