Finding the Fourth Proportional to 734,930.40, 1,102,395.60 and 262,149.60
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Solution
The fourth proportional to 734,930.40, 1,102,395.60 and 262,149.60 is: 393,224.40
Step by Step Solution
- Step 1: Write the proportion equation
734,930.40 : 1,102,395.60 = 262,149.60 : x - Step 2: Convert to fraction form
734,930.40/1,102,395.60 = 262,149.60/x - Step 3: Cross multiply
734,930.40x = 1,102,395.60 × 262,149.60 - Step 4: Simplify right side
734,930.40x = 288,992,565,581.76 - Step 5: Solve for x
x = 288,992,565,581.76/734,930.40 - Step 6: Final answer
x = 393,224.40
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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.