Finding the Fourth Proportional to 729,700.74, 1,093,806.99 and 413,489.70
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Solution
The fourth proportional to 729,700.74, 1,093,806.99 and 413,489.70 is: 619,812.89
Step by Step Solution
- Step 1: Write the proportion equation
729,700.74 : 1,093,806.99 = 413,489.70 : x - Step 2: Convert to fraction form
729,700.74/1,093,806.99 = 413,489.70/x - Step 3: Cross multiply
729,700.74x = 1,093,806.99 × 413,489.70 - Step 4: Simplify right side
729,700.74x = 452,277,924,153.00 - Step 5: Solve for x
x = 452,277,924,153.00/729,700.74 - Step 6: Final answer
x = 619,812.89
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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.