Finding the Fourth Proportional to 757,333.88, 1,045,120.68 and 417,802.12
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Solution
The fourth proportional to 757,333.88, 1,045,120.68 and 417,802.12 is: 576,566.88
Step by Step Solution
- Step 1: Write the proportion equation
757,333.88 : 1,045,120.68 = 417,802.12 : x - Step 2: Convert to fraction form
757,333.88/1,045,120.68 = 417,802.12/x - Step 3: Cross multiply
757,333.88x = 1,045,120.68 × 417,802.12 - Step 4: Simplify right side
757,333.88x = 436,653,635,759.84 - Step 5: Solve for x
x = 436,653,635,759.84/757,333.88 - Step 6: Final answer
x = 576,566.88
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1.5x scale
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.