Finding the Fourth Proportional to 623,762.71, 935,617.97 and 341,243.21
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Solution
The fourth proportional to 623,762.71, 935,617.97 and 341,243.21 is: 511,850.55
Step by Step Solution
- Step 1: Write the proportion equation
623,762.71 : 935,617.97 = 341,243.21 : x - Step 2: Convert to fraction form
623,762.71/935,617.97 = 341,243.21/x - Step 3: Cross multiply
623,762.71x = 935,617.97 × 341,243.21 - Step 4: Simplify right side
623,762.71x = 319,273,282,608.64 - Step 5: Solve for x
x = 319,273,282,608.64/623,762.71 - Step 6: Final answer
x = 511,850.55
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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.