Finding the Fourth Proportional to 923,259.18, 1,274,092.83 and 515,337.42
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Solution
The fourth proportional to 923,259.18, 1,274,092.83 and 515,337.42 is: 711,162.94
Step by Step Solution
- Step 1: Write the proportion equation
923,259.18 : 1,274,092.83 = 515,337.42 : x - Step 2: Convert to fraction form
923,259.18/1,274,092.83 = 515,337.42/x - Step 3: Cross multiply
923,259.18x = 1,274,092.83 × 515,337.42 - Step 4: Simplify right side
923,259.18x = 656,587,711,852.70 - Step 5: Solve for x
x = 656,587,711,852.70/923,259.18 - Step 6: Final answer
x = 711,162.94
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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.