Finding the Fourth Proportional to 543,737.34, 815,942.84 and 316,140.08
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Solution
The fourth proportional to 543,737.34, 815,942.84 and 316,140.08 is: 474,405.95
Step by Step Solution
- Step 1: Write the proportion equation
543,737.34 : 815,942.84 = 316,140.08 : x - Step 2: Convert to fraction form
543,737.34/815,942.84 = 316,140.08/x - Step 3: Cross multiply
543,737.34x = 815,942.84 × 316,140.08 - Step 4: Simplify right side
543,737.34x = 257,952,229,052.61 - Step 5: Solve for x
x = 257,952,229,052.61/543,737.34 - Step 6: Final answer
x = 474,405.95
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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.