Finding the Fourth Proportional to 889,701.48, 1,227,788.68 and 481,803.76
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Solution
The fourth proportional to 889,701.48, 1,227,788.68 and 481,803.76 is: 664,889.53
Step by Step Solution
- Step 1: Write the proportion equation
889,701.48 : 1,227,788.68 = 481,803.76 : x - Step 2: Convert to fraction form
889,701.48/1,227,788.68 = 481,803.76/x - Step 3: Cross multiply
889,701.48x = 1,227,788.68 × 481,803.76 - Step 4: Simplify right side
889,701.48x = 591,553,196,370.49 - Step 5: Solve for x
x = 591,553,196,370.49/889,701.48 - Step 6: Final answer
x = 664,889.53
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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.