Finding the Fourth Proportional to 955,476.51, 1,318,517.99 and 519,895.66
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Solution
The fourth proportional to 955,476.51, 1,318,517.99 and 519,895.66 is: 717,434.47
Step by Step Solution
- Step 1: Write the proportion equation
955,476.51 : 1,318,517.99 = 519,895.66 : x - Step 2: Convert to fraction form
955,476.51/1,318,517.99 = 519,895.66/x - Step 3: Cross multiply
955,476.51x = 1,318,517.99 × 519,895.66 - Step 4: Simplify right side
955,476.51x = 685,491,780,632.92 - Step 5: Solve for x
x = 685,491,780,632.92/955,476.51 - Step 6: Final answer
x = 717,434.47
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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.