Finding the Fourth Proportional to 738,137.52, 1,018,795.32 and 483,340.68
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Solution
The fourth proportional to 738,137.52, 1,018,795.32 and 483,340.68 is: 667,118.54
Step by Step Solution
- Step 1: Write the proportion equation
738,137.52 : 1,018,795.32 = 483,340.68 : x - Step 2: Convert to fraction form
738,137.52/1,018,795.32 = 483,340.68/x - Step 3: Cross multiply
738,137.52x = 1,018,795.32 × 483,340.68 - Step 4: Simplify right side
738,137.52x = 492,425,222,749.62 - Step 5: Solve for x
x = 492,425,222,749.62/738,137.52 - Step 6: Final answer
x = 667,118.54
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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.