Finding the Fourth Proportional to 486,995.95, 730,657.95 and 306,872.20
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Solution
The fourth proportional to 486,995.95, 730,657.95 and 306,872.20 is: 460,411.66
Step by Step Solution
- Step 1: Write the proportion equation
486,995.95 : 730,657.95 = 306,872.20 : x - Step 2: Convert to fraction form
486,995.95/730,657.95 = 306,872.20/x - Step 3: Cross multiply
486,995.95x = 730,657.95 × 306,872.20 - Step 4: Simplify right side
486,995.95x = 224,218,612,563.99 - Step 5: Solve for x
x = 224,218,612,563.99/486,995.95 - Step 6: Final answer
x = 460,411.66
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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.