Finding the Fourth Proportional to 873,658.17, 1,310,674.37 and 494,757.99
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Solution
The fourth proportional to 873,658.17, 1,310,674.37 and 494,757.99 is: 742,242.95
Step by Step Solution
- Step 1: Write the proportion equation
873,658.17 : 1,310,674.37 = 494,757.99 : x - Step 2: Convert to fraction form
873,658.17/1,310,674.37 = 494,757.99/x - Step 3: Cross multiply
873,658.17x = 1,310,674.37 × 494,757.99 - Step 4: Simplify right side
873,658.17x = 648,466,614,371.93 - Step 5: Solve for x
x = 648,466,614,371.93/873,658.17 - Step 6: Final answer
x = 742,242.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.