Finding the Fourth Proportional to 563,392.99, 777,481.05 and 305,276.98
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Solution
The fourth proportional to 563,392.99, 777,481.05 and 305,276.98 is: 421,281.54
Step by Step Solution
- Step 1: Write the proportion equation
563,392.99 : 777,481.05 = 305,276.98 : x - Step 2: Convert to fraction form
563,392.99/777,481.05 = 305,276.98/x - Step 3: Cross multiply
563,392.99x = 777,481.05 × 305,276.98 - Step 4: Simplify right side
563,392.99x = 237,347,066,951.23 - Step 5: Solve for x
x = 237,347,066,951.23/563,392.99 - Step 6: Final answer
x = 421,281.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.