Finding the Fourth Proportional to 798,920.64, 1,102,504.57 and 436,344.66
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Solution
The fourth proportional to 798,920.64, 1,102,504.57 and 436,344.66 is: 602,152.40
Step by Step Solution
- Step 1: Write the proportion equation
798,920.64 : 1,102,504.57 = 436,344.66 : x - Step 2: Convert to fraction form
798,920.64/1,102,504.57 = 436,344.66/x - Step 3: Cross multiply
798,920.64x = 1,102,504.57 × 436,344.66 - Step 4: Simplify right side
798,920.64x = 481,071,980,654.24 - Step 5: Solve for x
x = 481,071,980,654.24/798,920.64 - Step 6: Final answer
x = 602,152.40
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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.