Finding the Fourth Proportional to 914,396.68, 1,261,867.52 and 506,524.94
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Solution
The fourth proportional to 914,396.68, 1,261,867.52 and 506,524.94 is: 699,004.47
Step by Step Solution
- Step 1: Write the proportion equation
914,396.68 : 1,261,867.52 = 506,524.94 : x - Step 2: Convert to fraction form
914,396.68/1,261,867.52 = 506,524.94/x - Step 3: Cross multiply
914,396.68x = 1,261,867.52 × 506,524.94 - Step 4: Simplify right side
914,396.68x = 639,167,361,013.99 - Step 5: Solve for x
x = 639,167,361,013.99/914,396.68 - Step 6: Final answer
x = 699,004.47
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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.