Finding the Fourth Proportional to 757,843.68, 1,136,636.30 and 252,347.32
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Solution
The fourth proportional to 757,843.68, 1,136,636.30 and 252,347.32 is: 378,477.95
Step by Step Solution
- Step 1: Write the proportion equation
757,843.68 : 1,136,636.30 = 252,347.32 : x - Step 2: Convert to fraction form
757,843.68/1,136,636.30 = 252,347.32/x - Step 3: Cross multiply
757,843.68x = 1,136,636.30 × 252,347.32 - Step 4: Simplify right side
757,843.68x = 286,827,124,751.93 - Step 5: Solve for x
x = 286,827,124,751.93/757,843.68 - Step 6: Final answer
x = 378,477.95
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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.