Finding the Fourth Proportional to 771,543.83, 1,064,745.61 and 461,765.41
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Solution
The fourth proportional to 771,543.83, 1,064,745.61 and 461,765.41 is: 637,245.31
Step by Step Solution
- Step 1: Write the proportion equation
771,543.83 : 1,064,745.61 = 461,765.41 : x - Step 2: Convert to fraction form
771,543.83/1,064,745.61 = 461,765.41/x - Step 3: Cross multiply
771,543.83x = 1,064,745.61 × 461,765.41 - Step 4: Simplify right side
771,543.83x = 491,662,689,331.07 - Step 5: Solve for x
x = 491,662,689,331.07/771,543.83 - Step 6: Final answer
x = 637,245.31
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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.