Finding the Fourth Proportional to 620,524.28, 929,925.26 and 282,739.44
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Solution
The fourth proportional to 620,524.28, 929,925.26 and 282,739.44 is: 423,716.78
Step by Step Solution
- Step 1: Write the proportion equation
620,524.28 : 929,925.26 = 282,739.44 : x - Step 2: Convert to fraction form
620,524.28/929,925.26 = 282,739.44/x - Step 3: Cross multiply
620,524.28x = 929,925.26 × 282,739.44 - Step 4: Simplify right side
620,524.28x = 262,926,547,254.25 - Step 5: Solve for x
x = 262,926,547,254.25/620,524.28 - Step 6: Final answer
x = 423,716.78
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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.