Finding the Fourth Proportional to 757,723.64, 1,136,458.74 and 277,852.28
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Solution
The fourth proportional to 757,723.64, 1,136,458.74 and 277,852.28 is: 416,731.95
Step by Step Solution
- Step 1: Write the proportion equation
757,723.64 : 1,136,458.74 = 277,852.28 : x - Step 2: Convert to fraction form
757,723.64/1,136,458.74 = 277,852.28/x - Step 3: Cross multiply
757,723.64x = 1,136,458.74 × 277,852.28 - Step 4: Simplify right side
757,723.64x = 315,767,652,034.93 - Step 5: Solve for x
x = 315,767,652,034.93/757,723.64 - Step 6: Final answer
x = 416,731.95
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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.