Finding the Fourth Proportional to 889,430.96, 1,227,405.12 and 481,525.28
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Solution
The fourth proportional to 889,430.96, 1,227,405.12 and 481,525.28 is: 664,499.69
Step by Step Solution
- Step 1: Write the proportion equation
889,430.96 : 1,227,405.12 = 481,525.28 : x - Step 2: Convert to fraction form
889,430.96/1,227,405.12 = 481,525.28/x - Step 3: Cross multiply
889,430.96x = 1,227,405.12 × 481,525.28 - Step 4: Simplify right side
889,430.96x = 591,026,594,081.43 - Step 5: Solve for x
x = 591,026,594,081.43/889,430.96 - Step 6: Final answer
x = 664,499.69
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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.