Finding the Fourth Proportional to 548,909.70, 823,364.55 and 455,597.70
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Solution
The fourth proportional to 548,909.70, 823,364.55 and 455,597.70 is: 683,396.55
Step by Step Solution
- Step 1: Write the proportion equation
548,909.70 : 823,364.55 = 455,597.70 : x - Step 2: Convert to fraction form
548,909.70/823,364.55 = 455,597.70/x - Step 3: Cross multiply
548,909.70x = 823,364.55 × 455,597.70 - Step 4: Simplify right side
548,909.70x = 375,122,995,241.54 - Step 5: Solve for x
x = 375,122,995,241.54/548,909.70 - Step 6: Final answer
x = 683,396.55
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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.