Finding the Fourth Proportional to 798,840, 1,102,408.02 and 436,274.54
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Solution
The fourth proportional to 798,840, 1,102,408.02 and 436,274.54 is: 602,063.68
Step by Step Solution
- Step 1: Write the proportion equation
798,840 : 1,102,408.02 = 436,274.54 : x - Step 2: Convert to fraction form
798,840/1,102,408.02 = 436,274.54/x - Step 3: Cross multiply
798,840x = 1,102,408.02 × 436,274.54 - Step 4: Simplify right side
798,840x = 480,952,551,817.81 - Step 5: Solve for x
x = 480,952,551,817.81/798,840 - Step 6: Final answer
x = 602,063.68
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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.