Finding the Fourth Proportional to 546,487.09, 814,236.10 and 515,929.23
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Solution
The fourth proportional to 546,487.09, 814,236.10 and 515,929.23 is: 768,706.55
Step by Step Solution
- Step 1: Write the proportion equation
546,487.09 : 814,236.10 = 515,929.23 : x - Step 2: Convert to fraction form
546,487.09/814,236.10 = 515,929.23/x - Step 3: Cross multiply
546,487.09x = 814,236.10 × 515,929.23 - Step 4: Simplify right side
546,487.09x = 420,088,202,821.38 - Step 5: Solve for x
x = 420,088,202,821.38/546,487.09 - Step 6: Final answer
x = 768,706.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.