Finding the Fourth Proportional to 798,631.04, 1,102,102.49 and 436,053.78
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Solution
The fourth proportional to 798,631.04, 1,102,102.49 and 436,053.78 is: 601,749.66
Step by Step Solution
- Step 1: Write the proportion equation
798,631.04 : 1,102,102.49 = 436,053.78 : x - Step 2: Convert to fraction form
798,631.04/1,102,102.49 = 436,053.78/x - Step 3: Cross multiply
798,631.04x = 1,102,102.49 × 436,053.78 - Step 4: Simplify right side
798,631.04x = 480,575,954,531.64 - Step 5: Solve for x
x = 480,575,954,531.64/798,631.04 - Step 6: Final answer
x = 601,749.66
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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.