Finding the Fourth Proportional to 841,723.09, 1,263,087.68 and 309,297.94
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Solution
The fourth proportional to 841,723.09, 1,263,087.68 and 309,297.94 is: 464,131.76
Step by Step Solution
- Step 1: Write the proportion equation
841,723.09 : 1,263,087.68 = 309,297.94 : x - Step 2: Convert to fraction form
841,723.09/1,263,087.68 = 309,297.94/x - Step 3: Cross multiply
841,723.09x = 1,263,087.68 × 309,297.94 - Step 4: Simplify right side
841,723.09x = 390,670,419,864.04 - Step 5: Solve for x
x = 390,670,419,864.04/841,723.09 - Step 6: Final answer
x = 464,131.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.