Finding the Fourth Proportional to 526,722.06, 726,874.11 and 285,008.94
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Solution
The fourth proportional to 526,722.06, 726,874.11 and 285,008.94 is: 393,311.07
Step by Step Solution
- Step 1: Write the proportion equation
526,722.06 : 726,874.11 = 285,008.94 : x - Step 2: Convert to fraction form
526,722.06/726,874.11 = 285,008.94/x - Step 3: Cross multiply
526,722.06x = 726,874.11 × 285,008.94 - Step 4: Simplify right side
526,722.06x = 207,165,619,604.54 - Step 5: Solve for x
x = 207,165,619,604.54/526,722.06 - Step 6: Final answer
x = 393,311.07
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1.5x scale
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.