Finding the Fourth Proportional to 769,704.12, 1,062,160.36 and 425,518.16
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Solution
The fourth proportional to 769,704.12, 1,062,160.36 and 425,518.16 is: 587,197.73
Step by Step Solution
- Step 1: Write the proportion equation
769,704.12 : 1,062,160.36 = 425,518.16 : x - Step 2: Convert to fraction form
769,704.12/1,062,160.36 = 425,518.16/x - Step 3: Cross multiply
769,704.12x = 1,062,160.36 × 425,518.16 - Step 4: Simplify right side
769,704.12x = 451,968,515,637.54 - Step 5: Solve for x
x = 451,968,515,637.54/769,704.12 - Step 6: Final answer
x = 587,197.73
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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.