Finding the Fourth Proportional to 641,703.92, 962,231.88 and 375,544.40
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Solution
The fourth proportional to 641,703.92, 962,231.88 and 375,544.40 is: 563,126.99
Step by Step Solution
- Step 1: Write the proportion equation
641,703.92 : 962,231.88 = 375,544.40 : x - Step 2: Convert to fraction form
641,703.92/962,231.88 = 375,544.40/x - Step 3: Cross multiply
641,703.92x = 962,231.88 × 375,544.40 - Step 4: Simplify right side
641,703.92x = 361,360,794,035.47 - Step 5: Solve for x
x = 361,360,794,035.47/641,703.92 - Step 6: Final answer
x = 563,126.99
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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.