Finding the Fourth Proportional to 889,771.68, 1,227,878.72 and 481,864.19
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Solution
The fourth proportional to 889,771.68, 1,227,878.72 and 481,864.19 is: 664,969.22
Step by Step Solution
- Step 1: Write the proportion equation
889,771.68 : 1,227,878.72 = 481,864.19 : x - Step 2: Convert to fraction form
889,771.68/1,227,878.72 = 481,864.19/x - Step 3: Cross multiply
889,771.68x = 1,227,878.72 × 481,864.19 - Step 4: Simplify right side
889,771.68x = 591,670,776,282.32 - Step 5: Solve for x
x = 591,670,776,282.32/889,771.68 - Step 6: Final answer
x = 664,969.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.