Finding the Fourth Proportional to 864,512.18, 1,193,045.59 and 477,326.31
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Solution
The fourth proportional to 864,512.18, 1,193,045.59 and 477,326.31 is: 658,720.68
Step by Step Solution
- Step 1: Write the proportion equation
864,512.18 : 1,193,045.59 = 477,326.31 : x - Step 2: Convert to fraction form
864,512.18/1,193,045.59 = 477,326.31/x - Step 3: Cross multiply
864,512.18x = 1,193,045.59 × 477,326.31 - Step 4: Simplify right side
864,512.18x = 569,472,049,136.47 - Step 5: Solve for x
x = 569,472,049,136.47/864,512.18 - Step 6: Final answer
x = 658,720.68
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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.