Finding the Fourth Proportional to 843,423.12, 1,163,952.97 and 461,449.91
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Solution
The fourth proportional to 843,423.12, 1,163,952.97 and 461,449.91 is: 636,816.78
Step by Step Solution
- Step 1: Write the proportion equation
843,423.12 : 1,163,952.97 = 461,449.91 : x - Step 2: Convert to fraction form
843,423.12/1,163,952.97 = 461,449.91/x - Step 3: Cross multiply
843,423.12x = 1,163,952.97 × 461,449.91 - Step 4: Simplify right side
843,423.12x = 537,105,995,006.99 - Step 5: Solve for x
x = 537,105,995,006.99/843,423.12 - Step 6: Final answer
x = 636,816.78
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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.