Finding the Fourth Proportional to 955,114.74, 1,318,245.84 and 547,489.80
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Solution
The fourth proportional to 955,114.74, 1,318,245.84 and 547,489.80 is: 755,643.40
Step by Step Solution
- Step 1: Write the proportion equation
955,114.74 : 1,318,245.84 = 547,489.80 : x - Step 2: Convert to fraction form
955,114.74/1,318,245.84 = 547,489.80/x - Step 3: Cross multiply
955,114.74x = 1,318,245.84 × 547,489.80 - Step 4: Simplify right side
955,114.74x = 721,726,151,292.43 - Step 5: Solve for x
x = 721,726,151,292.43/955,114.74 - Step 6: Final answer
x = 755,643.40
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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.