Finding the Fourth Proportional to 814,175.21, 1,123,506.72 and 451,585.19
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Solution
The fourth proportional to 814,175.21, 1,123,506.72 and 451,585.19 is: 623,157.02
Step by Step Solution
- Step 1: Write the proportion equation
814,175.21 : 1,123,506.72 = 451,585.19 : x - Step 2: Convert to fraction form
814,175.21/1,123,506.72 = 451,585.19/x - Step 3: Cross multiply
814,175.21x = 1,123,506.72 × 451,585.19 - Step 4: Simplify right side
814,175.21x = 507,358,998,426.24 - Step 5: Solve for x
x = 507,358,998,426.24/814,175.21 - Step 6: Final answer
x = 623,157.02
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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.