Finding the Fourth Proportional to 613,321.81, 846,383.99 and 341,383.88
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Solution
The fourth proportional to 613,321.81, 846,383.99 and 341,383.88 is: 471,109.70
Step by Step Solution
- Step 1: Write the proportion equation
613,321.81 : 846,383.99 = 341,383.88 : x - Step 2: Convert to fraction form
613,321.81/846,383.99 = 341,383.88/x - Step 3: Cross multiply
613,321.81x = 846,383.99 × 341,383.88 - Step 4: Simplify right side
613,321.81x = 288,941,850,885.12 - Step 5: Solve for x
x = 288,941,850,885.12/613,321.81 - Step 6: Final answer
x = 471,109.70
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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.