Finding the Fourth Proportional to 656,479.59, 984,719.26 and 207,515.62
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Solution
The fourth proportional to 656,479.59, 984,719.26 and 207,515.62 is: 311,273.39
Step by Step Solution
- Step 1: Write the proportion equation
656,479.59 : 984,719.26 = 207,515.62 : x - Step 2: Convert to fraction form
656,479.59/984,719.26 = 207,515.62/x - Step 3: Cross multiply
656,479.59x = 984,719.26 × 207,515.62 - Step 4: Simplify right side
656,479.59x = 204,344,627,764.84 - Step 5: Solve for x
x = 204,344,627,764.84/656,479.59 - Step 6: Final answer
x = 311,273.39
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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.