Finding the Fourth Proportional to 914,474.51, 1,261,958.28 and 506,575.08
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Solution
The fourth proportional to 914,474.51, 1,261,958.28 and 506,575.08 is: 699,064.45
Step by Step Solution
- Step 1: Write the proportion equation
914,474.51 : 1,261,958.28 = 506,575.08 : x - Step 2: Convert to fraction form
914,474.51/1,261,958.28 = 506,575.08/x - Step 3: Cross multiply
914,474.51x = 1,261,958.28 × 506,575.08 - Step 4: Simplify right side
914,474.51x = 639,276,614,114.79 - Step 5: Solve for x
x = 639,276,614,114.79/914,474.51 - Step 6: Final answer
x = 699,064.45
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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.