Finding the Fourth Proportional to 802,709.88, 1,107,750.36 and 440,132.82
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Solution
The fourth proportional to 802,709.88, 1,107,750.36 and 440,132.82 is: 607,389.17
Step by Step Solution
- Step 1: Write the proportion equation
802,709.88 : 1,107,750.36 = 440,132.82 : x - Step 2: Convert to fraction form
802,709.88/1,107,750.36 = 440,132.82/x - Step 3: Cross multiply
802,709.88x = 1,107,750.36 × 440,132.82 - Step 4: Simplify right side
802,709.88x = 487,557,287,602.15 - Step 5: Solve for x
x = 487,557,287,602.15/802,709.88 - Step 6: Final answer
x = 607,389.17
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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.