Finding the Fourth Proportional to 889,345.42, 1,227,296.42 and 481,446.96
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Solution
The fourth proportional to 889,345.42, 1,227,296.42 and 481,446.96 is: 664,396.66
Step by Step Solution
- Step 1: Write the proportion equation
889,345.42 : 1,227,296.42 = 481,446.96 : x - Step 2: Convert to fraction form
889,345.42/1,227,296.42 = 481,446.96/x - Step 3: Cross multiply
889,345.42x = 1,227,296.42 × 481,446.96 - Step 4: Simplify right side
889,345.42x = 590,878,130,427.88 - Step 5: Solve for x
x = 590,878,130,427.88/889,345.42 - Step 6: Final answer
x = 664,396.66
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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.