Finding the Fourth Proportional to 824,497.92, 1,137,548.88 and 461,872.80
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Solution
The fourth proportional to 824,497.92, 1,137,548.88 and 461,872.80 is: 637,239.80
Step by Step Solution
- Step 1: Write the proportion equation
824,497.92 : 1,137,548.88 = 461,872.80 : x - Step 2: Convert to fraction form
824,497.92/1,137,548.88 = 461,872.80/x - Step 3: Cross multiply
824,497.92x = 1,137,548.88 × 461,872.80 - Step 4: Simplify right side
824,497.92x = 525,402,886,342.46 - Step 5: Solve for x
x = 525,402,886,342.46/824,497.92 - Step 6: Final answer
x = 637,239.80
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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.