Finding the Fourth Proportional to 748,480.24, 1,122,999.18 and 449,175.52
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Solution
The fourth proportional to 748,480.24, 1,122,999.18 and 449,175.52 is: 673,930.60
Step by Step Solution
- Step 1: Write the proportion equation
748,480.24 : 1,122,999.18 = 449,175.52 : x - Step 2: Convert to fraction form
748,480.24/1,122,999.18 = 449,175.52/x - Step 3: Cross multiply
748,480.24x = 1,122,999.18 × 449,175.52 - Step 4: Simplify right side
748,480.24x = 504,423,740,636.07 - Step 5: Solve for x
x = 504,423,740,636.07/748,480.24 - Step 6: Final answer
x = 673,930.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.