Finding the Fourth Proportional to 641,740.84, 885,324.30 and 386,950.48
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Solution
The fourth proportional to 641,740.84, 885,324.30 and 386,950.48 is: 533,824.00
Step by Step Solution
- Step 1: Write the proportion equation
641,740.84 : 885,324.30 = 386,950.48 : x - Step 2: Convert to fraction form
641,740.84/885,324.30 = 386,950.48/x - Step 3: Cross multiply
641,740.84x = 885,324.30 × 386,950.48 - Step 4: Simplify right side
641,740.84x = 342,576,659,176.29 - Step 5: Solve for x
x = 342,576,659,176.29/641,740.84 - Step 6: Final answer
x = 533,824.00
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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.