Finding the Fourth Proportional to 854,633.97, 1,281,360.47 and 374,631.21
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Solution
The fourth proportional to 854,633.97, 1,281,360.47 and 374,631.21 is: 561,687.97
Step by Step Solution
- Step 1: Write the proportion equation
854,633.97 : 1,281,360.47 = 374,631.21 : x - Step 2: Convert to fraction form
854,633.97/1,281,360.47 = 374,631.21/x - Step 3: Cross multiply
854,633.97x = 1,281,360.47 × 374,631.21 - Step 4: Simplify right side
854,633.97x = 480,037,621,449.11 - Step 5: Solve for x
x = 480,037,621,449.11/854,633.97 - Step 6: Final answer
x = 561,687.97
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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.