Finding the Fourth Proportional to 945,440.64, 1,304,716.41 and 515,722.68
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Solution
The fourth proportional to 945,440.64, 1,304,716.41 and 515,722.68 is: 711,701.84
Step by Step Solution
- Step 1: Write the proportion equation
945,440.64 : 1,304,716.41 = 515,722.68 : x - Step 2: Convert to fraction form
945,440.64/1,304,716.41 = 515,722.68/x - Step 3: Cross multiply
945,440.64x = 1,304,716.41 × 515,722.68 - Step 4: Simplify right side
945,440.64x = 672,871,843,605.18 - Step 5: Solve for x
x = 672,871,843,605.18/945,440.64 - Step 6: Final answer
x = 711,701.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.