Finding the Fourth Proportional to 798,630.21, 1,102,154.37 and 436,087.80
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Solution
The fourth proportional to 798,630.21, 1,102,154.37 and 436,087.80 is: 601,825.56
Step by Step Solution
- Step 1: Write the proportion equation
798,630.21 : 1,102,154.37 = 436,087.80 : x - Step 2: Convert to fraction form
798,630.21/1,102,154.37 = 436,087.80/x - Step 3: Cross multiply
798,630.21x = 1,102,154.37 × 436,087.80 - Step 4: Simplify right side
798,630.21x = 480,636,074,064.85 - Step 5: Solve for x
x = 480,636,074,064.85/798,630.21 - Step 6: Final answer
x = 601,825.56
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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.