Finding the Fourth Proportional to 802,871.24, 1,107,860.47 and 440,199.66
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Solution
The fourth proportional to 802,871.24, 1,107,860.47 and 440,199.66 is: 607,419.70
Step by Step Solution
- Step 1: Write the proportion equation
802,871.24 : 1,107,860.47 = 440,199.66 : x - Step 2: Convert to fraction form
802,871.24/1,107,860.47 = 440,199.66/x - Step 3: Cross multiply
802,871.24x = 1,107,860.47 × 440,199.66 - Step 4: Simplify right side
802,871.24x = 487,679,802,221.44 - Step 5: Solve for x
x = 487,679,802,221.44/802,871.24 - Step 6: Final answer
x = 607,419.70
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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.