Finding the Fourth Proportional to 793,664.21, 1,094,947.92 and 449,421.09
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Solution
The fourth proportional to 793,664.21, 1,094,947.92 and 449,421.09 is: 620,026.31
Step by Step Solution
- Step 1: Write the proportion equation
793,664.21 : 1,094,947.92 = 449,421.09 : x - Step 2: Convert to fraction form
793,664.21/1,094,947.92 = 449,421.09/x - Step 3: Cross multiply
793,664.21x = 1,094,947.92 × 449,421.09 - Step 4: Simplify right side
793,664.21x = 492,092,687,699.63 - Step 5: Solve for x
x = 492,092,687,699.63/793,664.21 - Step 6: Final answer
x = 620,026.31
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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.