Finding the Fourth Proportional to 548,278.80, 821,251.80 and 454,966.80
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Solution
The fourth proportional to 548,278.80, 821,251.80 and 454,966.80 is: 681,482.31
Step by Step Solution
- Step 1: Write the proportion equation
548,278.80 : 821,251.80 = 454,966.80 : x - Step 2: Convert to fraction form
548,278.80/821,251.80 = 454,966.80/x - Step 3: Cross multiply
548,278.80x = 821,251.80 × 454,966.80 - Step 4: Simplify right side
548,278.80x = 373,642,303,440.24 - Step 5: Solve for x
x = 373,642,303,440.24/548,278.80 - Step 6: Final answer
x = 681,482.31
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1.5x scale
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.