Finding the Fourth Proportional to 543,175.80, 814,763.70 and 403,207.80
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Solution
The fourth proportional to 543,175.80, 814,763.70 and 403,207.80 is: 604,811.70
Step by Step Solution
- Step 1: Write the proportion equation
543,175.80 : 814,763.70 = 403,207.80 : x - Step 2: Convert to fraction form
543,175.80/814,763.70 = 403,207.80/x - Step 3: Cross multiply
543,175.80x = 814,763.70 × 403,207.80 - Step 4: Simplify right side
543,175.80x = 328,519,078,996.86 - Step 5: Solve for x
x = 328,519,078,996.86/543,175.80 - Step 6: Final answer
x = 604,811.70
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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.