Finding the Fourth Proportional to 641,787.23, 885,632.67 and 351,343.10
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Solution
The fourth proportional to 641,787.23, 885,632.67 and 351,343.10 is: 484,835.03
Step by Step Solution
- Step 1: Write the proportion equation
641,787.23 : 885,632.67 = 351,343.10 : x - Step 2: Convert to fraction form
641,787.23/885,632.67 = 351,343.10/x - Step 3: Cross multiply
641,787.23x = 885,632.67 × 351,343.10 - Step 4: Simplify right side
641,787.23x = 311,160,927,739.08 - Step 5: Solve for x
x = 311,160,927,739.08/641,787.23 - Step 6: Final answer
x = 484,835.03
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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.