Finding the Fourth Proportional to 408,748.62, 616,962.09 and 408,748.62
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Solution
The fourth proportional to 408,748.62, 616,962.09 and 408,748.62 is: 616,962.09
Step by Step Solution
- Step 1: Write the proportion equation
408,748.62 : 616,962.09 = 408,748.62 : x - Step 2: Convert to fraction form
408,748.62/616,962.09 = 408,748.62/x - Step 3: Cross multiply
408,748.62x = 616,962.09 × 408,748.62 - Step 4: Simplify right side
408,748.62x = 252,182,402,879.82 - Step 5: Solve for x
x = 252,182,402,879.82/408,748.62 - Step 6: Final answer
x = 616,962.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.