Finding the Fourth Proportional to 475,044.93, 713,047.17 and 421,361.09
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Solution
The fourth proportional to 475,044.93, 713,047.17 and 421,361.09 is: 632,467.19
Step by Step Solution
- Step 1: Write the proportion equation
475,044.93 : 713,047.17 = 421,361.09 : x - Step 2: Convert to fraction form
475,044.93/713,047.17 = 421,361.09/x - Step 3: Cross multiply
475,044.93x = 713,047.17 × 421,361.09 - Step 4: Simplify right side
475,044.93x = 300,450,333,313.28 - Step 5: Solve for x
x = 300,450,333,313.28/475,044.93 - Step 6: Final answer
x = 632,467.19
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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.