Finding the Fourth Proportional to 865,028.24, 1,297,075.80 and 332,683.28
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Solution
The fourth proportional to 865,028.24, 1,297,075.80 and 332,683.28 is: 498,845.48
Step by Step Solution
- Step 1: Write the proportion equation
865,028.24 : 1,297,075.80 = 332,683.28 : x - Step 2: Convert to fraction form
865,028.24/1,297,075.80 = 332,683.28/x - Step 3: Cross multiply
865,028.24x = 1,297,075.80 × 332,683.28 - Step 4: Simplify right side
865,028.24x = 431,515,431,552.62 - Step 5: Solve for x
x = 431,515,431,552.62/865,028.24 - Step 6: Final answer
x = 498,845.48
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1.5x scale
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.