Finding the Fourth Proportional to 611,508.75, 843,853.84 and 339,593.97
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Solution
The fourth proportional to 611,508.75, 843,853.84 and 339,593.97 is: 468,624.00
Step by Step Solution
- Step 1: Write the proportion equation
611,508.75 : 843,853.84 = 339,593.97 : x - Step 2: Convert to fraction form
611,508.75/843,853.84 = 339,593.97/x - Step 3: Cross multiply
611,508.75x = 843,853.84 × 339,593.97 - Step 4: Simplify right side
611,508.75x = 286,567,675,625.35 - Step 5: Solve for x
x = 286,567,675,625.35/611,508.75 - Step 6: Final answer
x = 468,624.00
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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.