Finding the Fourth Proportional to 715,494.62, 1,073,733.99 and 294,770.49
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Solution
The fourth proportional to 715,494.62, 1,073,733.99 and 294,770.49 is: 442,358.46
Step by Step Solution
- Step 1: Write the proportion equation
715,494.62 : 1,073,733.99 = 294,770.49 : x - Step 2: Convert to fraction form
715,494.62/1,073,733.99 = 294,770.49/x - Step 3: Cross multiply
715,494.62x = 1,073,733.99 × 294,770.49 - Step 4: Simplify right side
715,494.62x = 316,505,094,361.96 - Step 5: Solve for x
x = 316,505,094,361.96/715,494.62 - Step 6: Final answer
x = 442,358.46
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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.