Finding the Fourth Proportional to 769,455.51, 1,154,202.84 and 364,552.80
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Solution
The fourth proportional to 769,455.51, 1,154,202.84 and 364,552.80 is: 546,838.47
Step by Step Solution
- Step 1: Write the proportion equation
769,455.51 : 1,154,202.84 = 364,552.80 : x - Step 2: Convert to fraction form
769,455.51/1,154,202.84 = 364,552.80/x - Step 3: Cross multiply
769,455.51x = 1,154,202.84 × 364,552.80 - Step 4: Simplify right side
769,455.51x = 420,767,877,089.95 - Step 5: Solve for x
x = 420,767,877,089.95/769,455.51 - Step 6: Final answer
x = 546,838.47
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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.