Finding the Fourth Proportional to 625,234.06, 862,856.58 and 353,313.42
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Solution
The fourth proportional to 625,234.06, 862,856.58 and 353,313.42 is: 487,591.49
Step by Step Solution
- Step 1: Write the proportion equation
625,234.06 : 862,856.58 = 353,313.42 : x - Step 2: Convert to fraction form
625,234.06/862,856.58 = 353,313.42/x - Step 3: Cross multiply
625,234.06x = 862,856.58 × 353,313.42 - Step 4: Simplify right side
625,234.06x = 304,858,809,249.30 - Step 5: Solve for x
x = 304,858,809,249.30/625,234.06 - Step 6: Final answer
x = 487,591.49
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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.