Finding the Fourth Proportional to 614,356.62, 847,816.08 and 342,441.75
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Solution
The fourth proportional to 614,356.62, 847,816.08 and 342,441.75 is: 472,571.81
Step by Step Solution
- Step 1: Write the proportion equation
614,356.62 : 847,816.08 = 342,441.75 : x - Step 2: Convert to fraction form
614,356.62/847,816.08 = 342,441.75/x - Step 3: Cross multiply
614,356.62x = 847,816.08 × 342,441.75 - Step 4: Simplify right side
614,356.62x = 290,327,620,401.13 - Step 5: Solve for x
x = 290,327,620,401.13/614,356.62 - Step 6: Final answer
x = 472,571.81
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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.