Finding the Fourth Proportional to 923,658.99, 1,274,536.78 and 515,783.49
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Solution
The fourth proportional to 923,658.99, 1,274,536.78 and 515,783.49 is: 711,718.32
Step by Step Solution
- Step 1: Write the proportion equation
923,658.99 : 1,274,536.78 = 515,783.49 : x - Step 2: Convert to fraction form
923,658.99/1,274,536.78 = 515,783.49/x - Step 3: Cross multiply
923,658.99x = 1,274,536.78 × 515,783.49 - Step 4: Simplify right side
923,658.99x = 657,385,028,521.76 - Step 5: Solve for x
x = 657,385,028,521.76/923,658.99 - Step 6: Final answer
x = 711,718.32
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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.