Finding the Fourth Proportional to 782,173.26, 1,079,399.08 and 424,477.26
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Solution
The fourth proportional to 782,173.26, 1,079,399.08 and 424,477.26 is: 585,778.61
Step by Step Solution
- Step 1: Write the proportion equation
782,173.26 : 1,079,399.08 = 424,477.26 : x - Step 2: Convert to fraction form
782,173.26/1,079,399.08 = 424,477.26/x - Step 3: Cross multiply
782,173.26x = 1,079,399.08 × 424,477.26 - Step 4: Simplify right side
782,173.26x = 458,180,363,924.92 - Step 5: Solve for x
x = 458,180,363,924.92/782,173.26 - Step 6: Final answer
x = 585,778.61
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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.