Finding the Fourth Proportional to 818,419.58, 1,129,027.84 and 635,882.30
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Solution
The fourth proportional to 818,419.58, 1,129,027.84 and 635,882.30 is: 877,213.64
Step by Step Solution
- Step 1: Write the proportion equation
818,419.58 : 1,129,027.84 = 635,882.30 : x - Step 2: Convert to fraction form
818,419.58/1,129,027.84 = 635,882.30/x - Step 3: Cross multiply
818,419.58x = 1,129,027.84 × 635,882.30 - Step 4: Simplify right side
818,419.58x = 717,928,819,663.23 - Step 5: Solve for x
x = 717,928,819,663.23/818,419.58 - Step 6: Final answer
x = 877,213.64
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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.