Finding the Fourth Proportional to 575,615.70, 863,423.55 and 365,663.70
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Solution
The fourth proportional to 575,615.70, 863,423.55 and 365,663.70 is: 548,495.55
Step by Step Solution
- Step 1: Write the proportion equation
575,615.70 : 863,423.55 = 365,663.70 : x - Step 2: Convert to fraction form
575,615.70/863,423.55 = 365,663.70/x - Step 3: Cross multiply
575,615.70x = 863,423.55 × 365,663.70 - Step 4: Simplify right side
575,615.70x = 315,722,649,960.14 - Step 5: Solve for x
x = 315,722,649,960.14/575,615.70 - Step 6: Final answer
x = 548,495.55
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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.