Finding the Fourth Proportional to 958,207.60, 1,321,486.68 and 767,151.28
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Solution
The fourth proportional to 958,207.60, 1,321,486.68 and 767,151.28 is: 1,057,996.41
Step by Step Solution
- Step 1: Write the proportion equation
958,207.60 : 1,321,486.68 = 767,151.28 : x - Step 2: Convert to fraction form
958,207.60/1,321,486.68 = 767,151.28/x - Step 3: Cross multiply
958,207.60x = 1,321,486.68 × 767,151.28 - Step 4: Simplify right side
958,207.60x = 1,013,780,198,064.95 - Step 5: Solve for x
x = 1,013,780,198,064.95/958,207.60 - Step 6: Final answer
x = 1,057,996.41
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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.