Finding the Fourth Proportional to 757,961.16, 1,136,338.02 and 437,749.80
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Solution
The fourth proportional to 757,961.16, 1,136,338.02 and 437,749.80 is: 656,276.03
Step by Step Solution
- Step 1: Write the proportion equation
757,961.16 : 1,136,338.02 = 437,749.80 : x - Step 2: Convert to fraction form
757,961.16/1,136,338.02 = 437,749.80/x - Step 3: Cross multiply
757,961.16x = 1,136,338.02 × 437,749.80 - Step 4: Simplify right side
757,961.16x = 497,431,740,987.40 - Step 5: Solve for x
x = 497,431,740,987.40/757,961.16 - Step 6: Final answer
x = 656,276.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.