Finding the Fourth Proportional to 950,151.83, 1,311,230.84 and 542,245.55
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Solution
The fourth proportional to 950,151.83, 1,311,230.84 and 542,245.55 is: 748,311.02
Step by Step Solution
- Step 1: Write the proportion equation
950,151.83 : 1,311,230.84 = 542,245.55 : x - Step 2: Convert to fraction form
950,151.83/1,311,230.84 = 542,245.55/x - Step 3: Cross multiply
950,151.83x = 1,311,230.84 × 542,245.55 - Step 4: Simplify right side
950,151.83x = 711,009,078,745.38 - Step 5: Solve for x
x = 711,009,078,745.38/950,151.83 - Step 6: Final answer
x = 748,311.02
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1.5x scale
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.