Finding the Fourth Proportional to 832,361.29, 1,149,434.79 and 612,643.65
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Solution
The fourth proportional to 832,361.29, 1,149,434.79 and 612,643.65 is: 846,019.55
Step by Step Solution
- Step 1: Write the proportion equation
832,361.29 : 1,149,434.79 = 612,643.65 : x - Step 2: Convert to fraction form
832,361.29/1,149,434.79 = 612,643.65/x - Step 3: Cross multiply
832,361.29x = 1,149,434.79 × 612,643.65 - Step 4: Simplify right side
832,361.29x = 704,193,925,182.58 - Step 5: Solve for x
x = 704,193,925,182.58/832,361.29 - Step 6: Final answer
x = 846,019.55
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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.