Finding the Fourth Proportional to 551,401.05, 827,101.58 and 411,433.05
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Solution
The fourth proportional to 551,401.05, 827,101.58 and 411,433.05 is: 617,149.58
Step by Step Solution
- Step 1: Write the proportion equation
551,401.05 : 827,101.58 = 411,433.05 : x - Step 2: Convert to fraction form
551,401.05/827,101.58 = 411,433.05/x - Step 3: Cross multiply
551,401.05x = 827,101.58 × 411,433.05 - Step 4: Simplify right side
551,401.05x = 340,296,923,662.05 - Step 5: Solve for x
x = 340,296,923,662.05/551,401.05 - Step 6: Final answer
x = 617,149.58
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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.