Finding the Fourth Proportional to 526,836.20, 727,034.84 and 285,118.99
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Solution
The fourth proportional to 526,836.20, 727,034.84 and 285,118.99 is: 393,464.68
Step by Step Solution
- Step 1: Write the proportion equation
526,836.20 : 727,034.84 = 285,118.99 : x - Step 2: Convert to fraction form
526,836.20/727,034.84 = 285,118.99/x - Step 3: Cross multiply
526,836.20x = 727,034.84 × 285,118.99 - Step 4: Simplify right side
526,836.20x = 207,291,437,101.63 - Step 5: Solve for x
x = 207,291,437,101.63/526,836.20 - Step 6: Final answer
x = 393,464.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.