Finding the Fourth Proportional to 748,569.87, 1,033,102.49 and 442,745.24
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Solution
The fourth proportional to 748,569.87, 1,033,102.49 and 442,745.24 is: 611,033.41
Step by Step Solution
- Step 1: Write the proportion equation
748,569.87 : 1,033,102.49 = 442,745.24 : x - Step 2: Convert to fraction form
748,569.87/1,033,102.49 = 442,745.24/x - Step 3: Cross multiply
748,569.87x = 1,033,102.49 × 442,745.24 - Step 4: Simplify right side
748,569.87x = 457,401,202,500.41 - Step 5: Solve for x
x = 457,401,202,500.41/748,569.87 - Step 6: Final answer
x = 611,033.41
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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.