Finding the Fourth Proportional to 627,745.40, 941,618.10 and 576,135.80
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Solution
The fourth proportional to 627,745.40, 941,618.10 and 576,135.80 is: 864,203.70
Step by Step Solution
- Step 1: Write the proportion equation
627,745.40 : 941,618.10 = 576,135.80 : x - Step 2: Convert to fraction form
627,745.40/941,618.10 = 576,135.80/x - Step 3: Cross multiply
627,745.40x = 941,618.10 × 576,135.80 - Step 4: Simplify right side
627,745.40x = 542,499,897,337.98 - Step 5: Solve for x
x = 542,499,897,337.98/627,745.40 - Step 6: Final answer
x = 864,203.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.