Finding the Fourth Proportional to 460,689.61, 635,564.38 and 305,713.98
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Solution
The fourth proportional to 460,689.61, 635,564.38 and 305,713.98 is: 421,761.02
Step by Step Solution
- Step 1: Write the proportion equation
460,689.61 : 635,564.38 = 305,713.98 : x - Step 2: Convert to fraction form
460,689.61/635,564.38 = 305,713.98/x - Step 3: Cross multiply
460,689.61x = 635,564.38 × 305,713.98 - Step 4: Simplify right side
460,689.61x = 194,300,918,216.34 - Step 5: Solve for x
x = 194,300,918,216.34/460,689.61 - Step 6: Final answer
x = 421,761.02
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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.