Finding the Fourth Proportional to 625,327.20, 862,856.11 and 353,295.84
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Solution
The fourth proportional to 625,327.20, 862,856.11 and 353,295.84 is: 487,494.35
Step by Step Solution
- Step 1: Write the proportion equation
625,327.20 : 862,856.11 = 353,295.84 : x - Step 2: Convert to fraction form
625,327.20/862,856.11 = 353,295.84/x - Step 3: Cross multiply
625,327.20x = 862,856.11 × 353,295.84 - Step 4: Simplify right side
625,327.20x = 304,843,477,858.91 - Step 5: Solve for x
x = 304,843,477,858.91/625,327.20 - Step 6: Final answer
x = 487,494.35
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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.