Finding the Fourth Proportional to 548,745.40, 824,867.70 and 517,252.60
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Solution
The fourth proportional to 548,745.40, 824,867.70 and 517,252.60 is: 777,528.09
Step by Step Solution
- Step 1: Write the proportion equation
548,745.40 : 824,867.70 = 517,252.60 : x - Step 2: Convert to fraction form
548,745.40/824,867.70 = 517,252.60/x - Step 3: Cross multiply
548,745.40x = 824,867.70 × 517,252.60 - Step 4: Simplify right side
548,745.40x = 426,664,962,481.02 - Step 5: Solve for x
x = 426,664,962,481.02/548,745.40 - Step 6: Final answer
x = 777,528.09
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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.