Finding the Fourth Proportional to 843,057.41, 1,163,556.98 and 626,703.17
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Solution
The fourth proportional to 843,057.41, 1,163,556.98 and 626,703.17 is: 864,952.77
Step by Step Solution
- Step 1: Write the proportion equation
843,057.41 : 1,163,556.98 = 626,703.17 : x - Step 2: Convert to fraction form
843,057.41/1,163,556.98 = 626,703.17/x - Step 3: Cross multiply
843,057.41x = 1,163,556.98 × 626,703.17 - Step 4: Simplify right side
843,057.41x = 729,204,838,890.33 - Step 5: Solve for x
x = 729,204,838,890.33/843,057.41 - Step 6: Final answer
x = 864,952.77
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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.