Finding the Fourth Proportional to 923,703.36, 1,274,698.08 and 515,811.84
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Solution
The fourth proportional to 923,703.36, 1,274,698.08 and 515,811.84 is: 711,813.33
Step by Step Solution
- Step 1: Write the proportion equation
923,703.36 : 1,274,698.08 = 515,811.84 : x - Step 2: Convert to fraction form
923,703.36/1,274,698.08 = 515,811.84/x - Step 3: Cross multiply
923,703.36x = 1,274,698.08 × 515,811.84 - Step 4: Simplify right side
923,703.36x = 657,504,362,089.27 - Step 5: Solve for x
x = 657,504,362,089.27/923,703.36 - Step 6: Final answer
x = 711,813.33
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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.