Finding the Fourth Proportional to 879,922.26, 1,213,665.36 and 807,558.30
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Solution
The fourth proportional to 879,922.26, 1,213,665.36 and 807,558.30 is: 1,113,854.69
Step by Step Solution
- Step 1: Write the proportion equation
879,922.26 : 1,213,665.36 = 807,558.30 : x - Step 2: Convert to fraction form
879,922.26/1,213,665.36 = 807,558.30/x - Step 3: Cross multiply
879,922.26x = 1,213,665.36 × 807,558.30 - Step 4: Simplify right side
879,922.26x = 980,105,534,890.49 - Step 5: Solve for x
x = 980,105,534,890.49/879,922.26 - Step 6: Final answer
x = 1,113,854.69
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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.