Finding the Fourth Proportional to 842,942.88, 1,163,351.34 and 516,472.56
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Solution
The fourth proportional to 842,942.88, 1,163,351.34 and 516,472.56 is: 712,787.38
Step by Step Solution
- Step 1: Write the proportion equation
842,942.88 : 1,163,351.34 = 516,472.56 : x - Step 2: Convert to fraction form
842,942.88/1,163,351.34 = 516,472.56/x - Step 3: Cross multiply
842,942.88x = 1,163,351.34 × 516,472.56 - Step 4: Simplify right side
842,942.88x = 600,839,044,749.23 - Step 5: Solve for x
x = 600,839,044,749.23/842,942.88 - Step 6: Final answer
x = 712,787.38
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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.