Finding the Fourth Proportional to 783,022.74, 1,174,489.74 and 214,362.24
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Solution
The fourth proportional to 783,022.74, 1,174,489.74 and 214,362.24 is: 321,531.21
Step by Step Solution
- Step 1: Write the proportion equation
783,022.74 : 1,174,489.74 = 214,362.24 : x - Step 2: Convert to fraction form
783,022.74/1,174,489.74 = 214,362.24/x - Step 3: Cross multiply
783,022.74x = 1,174,489.74 × 214,362.24 - Step 4: Simplify right side
783,022.74x = 251,766,251,523.42 - Step 5: Solve for x
x = 251,766,251,523.42/783,022.74 - Step 6: Final answer
x = 321,531.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.