Finding the Fourth Proportional to 876,535.44, 1,315,000.20 and 277,532.40
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Solution
The fourth proportional to 876,535.44, 1,315,000.20 and 277,532.40 is: 416,360.99
Step by Step Solution
- Step 1: Write the proportion equation
876,535.44 : 1,315,000.20 = 277,532.40 : x - Step 2: Convert to fraction form
876,535.44/1,315,000.20 = 277,532.40/x - Step 3: Cross multiply
876,535.44x = 1,315,000.20 × 277,532.40 - Step 4: Simplify right side
876,535.44x = 364,955,161,506.48 - Step 5: Solve for x
x = 364,955,161,506.48/876,535.44 - Step 6: Final answer
x = 416,360.99
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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.