Finding the Fourth Proportional to 593,998.20, 890,997.30 and 328,277.70
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Solution
The fourth proportional to 593,998.20, 890,997.30 and 328,277.70 is: 492,416.55
Step by Step Solution
- Step 1: Write the proportion equation
593,998.20 : 890,997.30 = 328,277.70 : x - Step 2: Convert to fraction form
593,998.20/890,997.30 = 328,277.70/x - Step 3: Cross multiply
593,998.20x = 890,997.30 × 328,277.70 - Step 4: Simplify right side
593,998.20x = 292,494,544,350.21 - Step 5: Solve for x
x = 292,494,544,350.21/593,998.20 - Step 6: Final answer
x = 492,416.55
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Similar ratio
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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.