Finding the Fourth Proportional to 608,891.20, 913,336.80 and 276,467.20
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Solution
The fourth proportional to 608,891.20, 913,336.80 and 276,467.20 is: 414,700.80
Step by Step Solution
- Step 1: Write the proportion equation
608,891.20 : 913,336.80 = 276,467.20 : x - Step 2: Convert to fraction form
608,891.20/913,336.80 = 276,467.20/x - Step 3: Cross multiply
608,891.20x = 913,336.80 × 276,467.20 - Step 4: Simplify right side
608,891.20x = 252,507,667,752.96 - Step 5: Solve for x
x = 252,507,667,752.96/608,891.20 - Step 6: Final answer
x = 414,700.80
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1.5x scale
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.