Finding the Fourth Proportional to 562,101.81, 775,680.84 and 320,462.19
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Solution
The fourth proportional to 562,101.81, 775,680.84 and 320,462.19 is: 442,226.62
Step by Step Solution
- Step 1: Write the proportion equation
562,101.81 : 775,680.84 = 320,462.19 : x - Step 2: Convert to fraction form
562,101.81/775,680.84 = 320,462.19/x - Step 3: Cross multiply
562,101.81x = 775,680.84 × 320,462.19 - Step 4: Simplify right side
562,101.81x = 248,576,380,727.44 - Step 5: Solve for x
x = 248,576,380,727.44/562,101.81 - Step 6: Final answer
x = 442,226.62
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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.