Finding the Fourth Proportional to 466,331.80, 699,497.70 and 427,451.80
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Solution
The fourth proportional to 466,331.80, 699,497.70 and 427,451.80 is: 641,177.70
Step by Step Solution
- Step 1: Write the proportion equation
466,331.80 : 699,497.70 = 427,451.80 : x - Step 2: Convert to fraction form
466,331.80/699,497.70 = 427,451.80/x - Step 3: Cross multiply
466,331.80x = 699,497.70 × 427,451.80 - Step 4: Simplify right side
466,331.80x = 299,001,550,960.86 - Step 5: Solve for x
x = 299,001,550,960.86/466,331.80 - Step 6: Final answer
x = 641,177.70
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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.