Finding the Fourth Proportional to 809,408.29, 1,116,985.09 and 446,832.65
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Solution
The fourth proportional to 809,408.29, 1,116,985.09 and 446,832.65 is: 616,629.96
Step by Step Solution
- Step 1: Write the proportion equation
809,408.29 : 1,116,985.09 = 446,832.65 : x - Step 2: Convert to fraction form
809,408.29/1,116,985.09 = 446,832.65/x - Step 3: Cross multiply
809,408.29x = 1,116,985.09 × 446,832.65 - Step 4: Simplify right side
809,408.29x = 499,105,402,190.26 - Step 5: Solve for x
x = 499,105,402,190.26/809,408.29 - Step 6: Final answer
x = 616,629.96
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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.