Finding the Fourth Proportional to 614,328.67, 847,816.11 and 372,621.43
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Solution
The fourth proportional to 614,328.67, 847,816.11 and 372,621.43 is: 514,243.38
Step by Step Solution
- Step 1: Write the proportion equation
614,328.67 : 847,816.11 = 372,621.43 : x - Step 2: Convert to fraction form
614,328.67/847,816.11 = 372,621.43/x - Step 3: Cross multiply
614,328.67x = 847,816.11 × 372,621.43 - Step 4: Simplify right side
614,328.67x = 315,914,451,285.24 - Step 5: Solve for x
x = 315,914,451,285.24/614,328.67 - Step 6: Final answer
x = 514,243.38
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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.