Finding the Fourth Proportional to 484,924.80, 727,534.08 and 378,675.84
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Solution
The fourth proportional to 484,924.80, 727,534.08 and 378,675.84 is: 568,128.46
Step by Step Solution
- Step 1: Write the proportion equation
484,924.80 : 727,534.08 = 378,675.84 : x - Step 2: Convert to fraction form
484,924.80/727,534.08 = 378,675.84/x - Step 3: Cross multiply
484,924.80x = 727,534.08 × 378,675.84 - Step 4: Simplify right side
484,924.80x = 275,499,578,872.63 - Step 5: Solve for x
x = 275,499,578,872.63/484,924.80 - Step 6: Final answer
x = 568,128.46
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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.