Finding the Fourth Proportional to 923,377.19, 1,274,324.70 and 515,559.20
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Solution
The fourth proportional to 923,377.19, 1,274,324.70 and 515,559.20 is: 711,507.53
Step by Step Solution
- Step 1: Write the proportion equation
923,377.19 : 1,274,324.70 = 515,559.20 : x - Step 2: Convert to fraction form
923,377.19/1,274,324.70 = 515,559.20/x - Step 3: Cross multiply
923,377.19x = 1,274,324.70 × 515,559.20 - Step 4: Simplify right side
923,377.19x = 656,989,818,433.96 - Step 5: Solve for x
x = 656,989,818,433.96/923,377.19 - Step 6: Final answer
x = 711,507.53
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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.