Finding the Fourth Proportional to 944,122.30, 1,416,182.17 and 438,406.75
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Solution
The fourth proportional to 944,122.30, 1,416,182.17 and 438,406.75 is: 657,609.52
Step by Step Solution
- Step 1: Write the proportion equation
944,122.30 : 1,416,182.17 = 438,406.75 : x - Step 2: Convert to fraction form
944,122.30/1,416,182.17 = 438,406.75/x - Step 3: Cross multiply
944,122.30x = 1,416,182.17 × 438,406.75 - Step 4: Simplify right side
944,122.30x = 620,863,813,284.70 - Step 5: Solve for x
x = 620,863,813,284.70/944,122.30 - Step 6: Final answer
x = 657,609.52
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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.