Finding the Fourth Proportional to 554,620.50, 765,376.56 and 299,971.62
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Solution
The fourth proportional to 554,620.50, 765,376.56 and 299,971.62 is: 413,960.98
Step by Step Solution
- Step 1: Write the proportion equation
554,620.50 : 765,376.56 = 299,971.62 : x - Step 2: Convert to fraction form
554,620.50/765,376.56 = 299,971.62/x - Step 3: Cross multiply
554,620.50x = 765,376.56 × 299,971.62 - Step 4: Simplify right side
554,620.50x = 229,591,246,613.23 - Step 5: Solve for x
x = 229,591,246,613.23/554,620.50 - Step 6: Final answer
x = 413,960.98
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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.