Finding the Fourth Proportional to 793,497.60, 1,190,756.70 and 438,766.20
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Solution
The fourth proportional to 793,497.60, 1,190,756.70 and 438,766.20 is: 658,431.47
Step by Step Solution
- Step 1: Write the proportion equation
793,497.60 : 1,190,756.70 = 438,766.20 : x - Step 2: Convert to fraction form
793,497.60/1,190,756.70 = 438,766.20/x - Step 3: Cross multiply
793,497.60x = 1,190,756.70 × 438,766.20 - Step 4: Simplify right side
793,497.60x = 522,463,792,383.54 - Step 5: Solve for x
x = 522,463,792,383.54/793,497.60 - Step 6: Final answer
x = 658,431.47
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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.