Finding the Fourth Proportional to 534,915.63, 738,259.25 and 331,032.23
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Solution
The fourth proportional to 534,915.63, 738,259.25 and 331,032.23 is: 456,871.31
Step by Step Solution
- Step 1: Write the proportion equation
534,915.63 : 738,259.25 = 331,032.23 : x - Step 2: Convert to fraction form
534,915.63/738,259.25 = 331,032.23/x - Step 3: Cross multiply
534,915.63x = 738,259.25 × 331,032.23 - Step 4: Simplify right side
534,915.63x = 244,387,604,190.47 - Step 5: Solve for x
x = 244,387,604,190.47/534,915.63 - Step 6: Final answer
x = 456,871.31
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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.