Finding the Fourth Proportional to 769,792.06, 1,062,270.16 and 425,608.08
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Solution
The fourth proportional to 769,792.06, 1,062,270.16 and 425,608.08 is: 587,315.44
Step by Step Solution
- Step 1: Write the proportion equation
769,792.06 : 1,062,270.16 = 425,608.08 : x - Step 2: Convert to fraction form
769,792.06/1,062,270.16 = 425,608.08/x - Step 3: Cross multiply
769,792.06x = 1,062,270.16 × 425,608.08 - Step 4: Simplify right side
769,792.06x = 452,110,763,238.89 - Step 5: Solve for x
x = 452,110,763,238.89/769,792.06 - Step 6: Final answer
x = 587,315.44
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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.