Finding the Fourth Proportional to 876,819.44, 1,315,280.18 and 245,782.46
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Solution
The fourth proportional to 876,819.44, 1,315,280.18 and 245,782.46 is: 368,687.99
Step by Step Solution
- Step 1: Write the proportion equation
876,819.44 : 1,315,280.18 = 245,782.46 : x - Step 2: Convert to fraction form
876,819.44/1,315,280.18 = 245,782.46/x - Step 3: Cross multiply
876,819.44x = 1,315,280.18 × 245,782.46 - Step 4: Simplify right side
876,819.44x = 323,272,792,267.70 - Step 5: Solve for x
x = 323,272,792,267.70/876,819.44 - Step 6: Final answer
x = 368,687.99
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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.