Finding the Fourth Proportional to 752,157.63, 1,127,175.57 and 415,349.91
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Solution
The fourth proportional to 752,157.63, 1,127,175.57 and 415,349.91 is: 622,439.04
Step by Step Solution
- Step 1: Write the proportion equation
752,157.63 : 1,127,175.57 = 415,349.91 : x - Step 2: Convert to fraction form
752,157.63/1,127,175.57 = 415,349.91/x - Step 3: Cross multiply
752,157.63x = 1,127,175.57 × 415,349.91 - Step 4: Simplify right side
752,157.63x = 468,172,271,553.70 - Step 5: Solve for x
x = 468,172,271,553.70/752,157.63 - Step 6: Final answer
x = 622,439.04
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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.