Finding the Fourth Proportional to 729,698.49, 1,093,803.62 and 413,487.45
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Solution
The fourth proportional to 729,698.49, 1,093,803.62 and 413,487.45 is: 619,809.52
Step by Step Solution
- Step 1: Write the proportion equation
729,698.49 : 1,093,803.62 = 413,487.45 : x - Step 2: Convert to fraction form
729,698.49/1,093,803.62 = 413,487.45/x - Step 3: Cross multiply
729,698.49x = 1,093,803.62 × 413,487.45 - Step 4: Simplify right side
729,698.49x = 452,274,067,567.13 - Step 5: Solve for x
x = 452,274,067,567.13/729,698.49 - Step 6: Final answer
x = 619,809.52
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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.