Finding the Fourth Proportional to 569,862.80, 786,163.56 and 343,379.60
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Solution
The fourth proportional to 569,862.80, 786,163.56 and 343,379.60 is: 473,714.95
Step by Step Solution
- Step 1: Write the proportion equation
569,862.80 : 786,163.56 = 343,379.60 : x - Step 2: Convert to fraction form
569,862.80/786,163.56 = 343,379.60/x - Step 3: Cross multiply
569,862.80x = 786,163.56 × 343,379.60 - Step 4: Simplify right side
569,862.80x = 269,952,528,767.38 - Step 5: Solve for x
x = 269,952,528,767.38/569,862.80 - Step 6: Final answer
x = 473,714.95
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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.