Finding the Fourth Proportional to 802,938.65, 1,107,954.18 and 440,267.09
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Solution
The fourth proportional to 802,938.65, 1,107,954.18 and 440,267.09 is: 607,513.11
Step by Step Solution
- Step 1: Write the proportion equation
802,938.65 : 1,107,954.18 = 440,267.09 : x - Step 2: Convert to fraction form
802,938.65/1,107,954.18 = 440,267.09/x - Step 3: Cross multiply
802,938.65x = 1,107,954.18 × 440,267.09 - Step 4: Simplify right side
802,938.65x = 487,795,757,142.17 - Step 5: Solve for x
x = 487,795,757,142.17/802,938.65 - Step 6: Final answer
x = 607,513.11
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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.