Finding the Fourth Proportional to 707,759.96, 976,805.06 and 417,453.62
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Solution
The fourth proportional to 707,759.96, 976,805.06 and 417,453.62 is: 576,142.80
Step by Step Solution
- Step 1: Write the proportion equation
707,759.96 : 976,805.06 = 417,453.62 : x - Step 2: Convert to fraction form
707,759.96/976,805.06 = 417,453.62/x - Step 3: Cross multiply
707,759.96x = 976,805.06 × 417,453.62 - Step 4: Simplify right side
707,759.96x = 407,770,808,331.32 - Step 5: Solve for x
x = 407,770,808,331.32/707,759.96 - Step 6: Final answer
x = 576,142.80
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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.