Finding the Fourth Proportional to 506,768.70, 759,715.65 and 257,450.70
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Solution
The fourth proportional to 506,768.70, 759,715.65 and 257,450.70 is: 385,953.84
Step by Step Solution
- Step 1: Write the proportion equation
506,768.70 : 759,715.65 = 257,450.70 : x - Step 2: Convert to fraction form
506,768.70/759,715.65 = 257,450.70/x - Step 3: Cross multiply
506,768.70x = 759,715.65 × 257,450.70 - Step 4: Simplify right side
506,768.70x = 195,589,325,893.46 - Step 5: Solve for x
x = 195,589,325,893.46/506,768.70 - Step 6: Final answer
x = 385,953.84
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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.