Finding the Fourth Proportional to 480,652.61, 721,412.26 and 256,199.99
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Solution
The fourth proportional to 480,652.61, 721,412.26 and 256,199.99 is: 384,530.96
Step by Step Solution
- Step 1: Write the proportion equation
480,652.61 : 721,412.26 = 256,199.99 : x - Step 2: Convert to fraction form
480,652.61/721,412.26 = 256,199.99/x - Step 3: Cross multiply
480,652.61x = 721,412.26 × 256,199.99 - Step 4: Simplify right side
480,652.61x = 184,825,809,550.32 - Step 5: Solve for x
x = 184,825,809,550.32/480,652.61 - Step 6: Final answer
x = 384,530.96
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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.