Finding the Fourth Proportional to 814,445.68, 1,123,896.96 and 451,865.68
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Solution
The fourth proportional to 814,445.68, 1,123,896.96 and 451,865.68 is: 623,553.51
Step by Step Solution
- Step 1: Write the proportion equation
814,445.68 : 1,123,896.96 = 451,865.68 : x - Step 2: Convert to fraction form
814,445.68/1,123,896.96 = 451,865.68/x - Step 3: Cross multiply
814,445.68x = 1,123,896.96 × 451,865.68 - Step 4: Simplify right side
814,445.68x = 507,850,464,080.33 - Step 5: Solve for x
x = 507,850,464,080.33/814,445.68 - Step 6: Final answer
x = 623,553.51
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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.