Finding the Fourth Proportional to 540,560.80, 809,674.80 and 447,248.80
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Solution
The fourth proportional to 540,560.80, 809,674.80 and 447,248.80 is: 669,908.14
Step by Step Solution
- Step 1: Write the proportion equation
540,560.80 : 809,674.80 = 447,248.80 : x - Step 2: Convert to fraction form
540,560.80/809,674.80 = 447,248.80/x - Step 3: Cross multiply
540,560.80x = 809,674.80 × 447,248.80 - Step 4: Simplify right side
540,560.80x = 362,126,082,690.24 - Step 5: Solve for x
x = 362,126,082,690.24/540,560.80 - Step 6: Final answer
x = 669,908.14
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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.