Finding the Fourth Proportional to 543,559.06, 749,990.73 and 328,694.62
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Solution
The fourth proportional to 543,559.06, 749,990.73 and 328,694.62 is: 453,525.54
Step by Step Solution
- Step 1: Write the proportion equation
543,559.06 : 749,990.73 = 328,694.62 : x - Step 2: Convert to fraction form
543,559.06/749,990.73 = 328,694.62/x - Step 3: Cross multiply
543,559.06x = 749,990.73 × 328,694.62 - Step 4: Simplify right side
543,559.06x = 246,517,918,000.87 - Step 5: Solve for x
x = 246,517,918,000.87/543,559.06 - Step 6: Final answer
x = 453,525.54
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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.