Finding the Fourth Proportional to 955,497.05, 1,319,129.79 and 633,641.66
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Solution
The fourth proportional to 955,497.05, 1,319,129.79 and 633,641.66 is: 874,786.15
Step by Step Solution
- Step 1: Write the proportion equation
955,497.05 : 1,319,129.79 = 633,641.66 : x - Step 2: Convert to fraction form
955,497.05/1,319,129.79 = 633,641.66/x - Step 3: Cross multiply
955,497.05x = 1,319,129.79 × 633,641.66 - Step 4: Simplify right side
955,497.05x = 835,855,589,891.05 - Step 5: Solve for x
x = 835,855,589,891.05/955,497.05 - Step 6: Final answer
x = 874,786.15
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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.