Finding the Fourth Proportional to 827,043.53, 1,240,596.88 and 258,476.99
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Solution
The fourth proportional to 827,043.53, 1,240,596.88 and 258,476.99 is: 387,725.35
Step by Step Solution
- Step 1: Write the proportion equation
827,043.53 : 1,240,596.88 = 258,476.99 : x - Step 2: Convert to fraction form
827,043.53/1,240,596.88 = 258,476.99/x - Step 3: Cross multiply
827,043.53x = 1,240,596.88 × 258,476.99 - Step 4: Simplify right side
827,043.53x = 320,665,740,496.61 - Step 5: Solve for x
x = 320,665,740,496.61/827,043.53 - Step 6: Final answer
x = 387,725.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.